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Med Term (MULTI- to -SPASM)
word part, actual/literal meaning, and examples
250
Medical
Undergraduate 2
11/14/2011

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Term
MULTI-
Definition
many, multiple, excessive
multiple sclera/osis (MS)
many: hardening/condition of
(hardening of nerves and myelin sheath around nerves causing paralysis
*related term(s): PLURI-, POLY-
Term
MUMPS
Definition
swelling
mumps
swelling
(viral infection of parotid saliva gland near ear: progresses to gonad/itis, pancreat/itis, nephr/itis, myocard/itis, and arthr/itis. Also known as par/ot/itis 'near/ear/inflamed')
Term
MY/O-
Definition
muscle
my/oma
muscle or muscular/tumor
*alternate spelling: MY-, MYOS-
Term
MYC/O-
Definition
fungus
myc/oid
fungus/resembles
Term
MYDRI/O-
Definition
to widen
mydri/opt/ic
to widen/visio/refers to
(pupil of eye dilates)
Term
MYEL/O-
Definition
spinal cord or bone marrow
myelo/gram
spinal cord/recording
myel/itis
bone marrow/inflamed
Term
MYRING/O-
Definition
eardrum
myring/itis
eardrum/inflamed (infected)
Term
MYX/O-
Definition
mucus
myx/oma
mucus/tumor or swelling
myx/oid
mucus/resembles
Term
NANO-
Definition
1 billionth
nano/meter
1 billionth part
nano/meter - 1 billionth/of meter
(39.37 inches is a meter)
Term
NARC/O-
Definition
sleep
narco/lepsy
sleep/seizure
(hypno-also means sleep)
Term
NARES
Definition
nose opening
nares
nose opening
Term
NAS/O-
Definition
nose
nas/al
nose/refers to
Term
NAT-
Definition
birth
nat/al
birth/refers to
*related term(s): NAT/O-, PARTO-, TOCI/O-
Term
NATRI-
Definition
sodium or salt
hyper/natr/emia
increase/sodium or salt/in blood
Term
NAVICUL/O-
Definition
boat or boat shaped
navicul/ar
boat shaped/refer to
(ankle and wrist scaphoid bones)
Term
NECR/O-
Definition
death, dead, dying
necrot/ic
death, dead, dying/refers to
(mortification of the death process of any body cells)
necr/osis
death, dead, dying/condition of
*related term(s): THANAT/O
Term
NEO-
Definition
new
neo/plasm
new/growth
Term
NEPHR/O-
Definition
kidney
nephr/itis
kidney/inflamed
Term
NEUR/O-
Definition
nerve
neur/algia
nerve/pain
Term
NEUTR/O-
Definition
neither or neutral
neutro/phil(e)
neither or neutral/love for
(WBC that stains with a neutral PH of 7)
Term
NEV/O-
Definition
birthmark
nev/us
birthmark/refers to
(moles, stains and other skin discolorations)
Term
NIGRA-
Definition
black
nigra bodies
black: structures in and around cell nucleus
*alternate spelling: NIGRI-, NIGRO-
*related term(s): MELAN/O-
Term
NIN/O-
Definition
nine
nin/us
nine/pertains to
*related term(s): NOV-
Term
NOCT/I-
Definition
night or blind
noct/uria
night/urination (excessive)
*related term(s): NYCTO-
Term
-NOIA
Definition
mind
para/noia
beyond/mind
(psychotic mental condition: loss of reality)
Term
NUCLE/O-
Definition
nut
nucle/us
nut (shaped)/refers to
Term
NULL/I-
Definition
none or no
nulli/para
none or no (null or voided)/births
Term
NUTRI/O-
Definition
to nourish
nutri/tion
to nourish/process of
Term
-O/PEXY
Definition
to fixate, attach, sew
neuphr/opex/y
kidney/fixate, attach, sew (suture)/procedure of
Term
-O/PLASTY
Definition
repair or plastic surgery
rhino/plast/y
nose/repair or plastic surgery/procedure of
Term
-ORRHAGIA
Definition
bursting forth or heavy flow
meno/rrhagia
monthly/ (female cycle)/bursting forth (heavy flow)
Term
-O/RRHEA
Definition
discharge or flow
men/o/rrhea
monthly/discharge or flow (slow)
gon/o/rrhea
gonad/flow
Term
-O/RRHEXIS
Definition
rupture or protrusion
enter/o/rrhexis
intestine (small)/rupture or protrusion
*related term(s): -O/RRHEXIA
Term
OBLIQUE
Definition
side-long or slanted
oblique
side-long or slanted (at a 45 '+/-' degree angle)
Term
OBSTETR/I-
Definition
midwife
obstetr/ics
midwife (childbirth)/pertains to
Term
OCCIPIT/O-
Definition
back of head
occipit/otomy
back of head/opening (surgical procedure)
occipit/al
back of head/pertains to
Term
OCCLUSI/O-
Definition
closrue or blockage
occlus/ion
closure or blockage/process of
Term
OCCULT/O-
Definition
hidden
occult/a (spina bi/fida)
hidden (thorn: two/clefts)/refers to
Term
OCT/O-
Definition
eight
oct/agon
eight/walls
*alternate spelling: OCTA-
*related term(s): OCTI-
Term
OCUL/O-
Definition
eye
oculo/motor
eye/movement
Term
ODONT/O-
Definition
tooth
odont/oid
tooth/resembling
Term
-OID
Definition
resembling
lip/oid
fat/resembling
epi/derm/oid
upper/skin resembling
Term
OLEO-
Definition
oil
oleo/vitamin
oil (fish oil)/life giving (fat soluble vitamins)
Term
-OLEUM
Definition
oil
oleo/infusion
oil/injection
(formulation of a drug in oil)
petr/oleum
stone/oil
Term
OLFACT/O-
Definition
smelling or smell
olfact/ory
smelling or smell/process of
*related term(s): OSMO-
Term
OLIG/O-
Definition
few, scanty, slight, little
oligo/meno/rrhea
few, scanty, slight, little/monthly/flow
Term
-OLOG/Y
Definition
science or study of, process of
hist/olog/y
web-like or tissue/science of or study of/process of
*related term(s): -LOG-
Term
-OMA
Definition
tumor or swelling
carcin/oma
crab or crab-like/tumor or swelling
Term
OMO-
Definition
shoulder
omo/burs/itis
shoulder (near arm)/sack/inflamed
*related term(s): OMI-
Term
OMPHAL/O-
Definition
navel or umbilicus
omphal/ectomy
navel or umbilicus/removal (excision)
Term
ONC/O-
Definition
tumor
onco/log/y
tumor/science or study of/process of
onco/log/ist
tumor/science of or study of/specialist
(Note-all tumors are not cancer. ex: 'benign growths')
Term
ONYCH/O-
Definition
nail
onycho/fidia
nail/split
*related term(s): UNGUIN/O-
Term
OOPHOR/O-
Definition
ovary
oophor/itis
ovary (seed producer)/inflamed
Term
OPHTHALM/O-
Definition
eye or eyeball
ophthalm/olog/ist
eye/science or study of/specialist
ophthalm/ic
eye or eyeball/refer to
Term
OPISTH/O-
Definition
backwards (bending)
opistho/tonus
backward (bending)/tone
(muscle contractions tilting head & spine backward; seen with tetanus and Central Nervous System injuries)
Term
OPTO-
Definition
vision, sight, eye
opto/metr/ist
vision or sight/measurement/specialist
*related term(s): -OPT-, OPIA-, -OPSY
Term
ORA-
Definition
mouth
or/al
mouth/pertains to
Term
ORB-
Definition
circle or dish
orbit/al
circle or dish (eye socket)/pertains to
(orbit is actually a circular track)
*related term(s): ORBIT/O-
Term
ORCHI/O-
Definition
teste or seed producer
orchi/oma
teste or seed producer/tumor or swelling
orch/itis
testicle/inflamed
*related term(s): GON/O-, ORCHID/O-
Term
-OREXIA
Definition
appetite
an/orexia
without/appetite (not hungry)
Term
-ORRHAPHY
Definition
suturing or repair
neur/orrhaph/y
nerve/suturing or repair/procedure of
Term
ORTH/O-
Definition
straight, normal, correct
ortho/dont/ic
straight, normal, correct/teeth/refers to
Term
OS-
Definition
mouth
trache/os/tom/y
windpipe/mouth/cut/process
Term
OSCILL/O-
Definition
to swing
oscillo/graph
to swing/instrument (that measure electric activity of heart and muscles)
Term
-OSE
Definition
sugar
malt/ose
malt/sugar
Term
-OSIS
Definition
condition of or disease
scoli/osis
crooked (lateral curve)/condition of or disease
*related term(s): -ASIS, -ESIS, -SIS
Term
OSMO-
Definition
smell
an/osm/ia
without/smell/refers to
*related term(s): OLFACT/O-
Term
OSTE/O-
Definition
bone
osteo/path
bone/disease
(most diseases caused by bone misalignment)
osteo/por/osis
bone/cavities (pores)/condition of
Term
-OSTOMY
Definition
mouth like opening produced by surgery
col/ostomy
colon/opening (mouth like formation) procedure
Term
OT/O-
Definition
ear
ot/itis
ear/inflamed
Term
-OTOMY
Definition
cutting, to cut, cut into
tracheo/tom/y
rough (windpipe)/cut into/procedure of
ana/tom/y
apart/cutting/procedure of or process of
Term
-OTRIPSY
Definition
crushing or to crush
neur/otrips/y
nerve/crushing or to crush/procedure of (surgical)
litho/tripsy
stone/crushing/procedure of (kidney or gall stones 'calculi')
Term
OV/O-
Definition
egg
ov/ary
egg/refer to
ovul/ate
egg/state of or process of (producing)
*alternate spelling: O/O-, OVA-, OVI-
*related term(s): OV/U-
Term
OX/Y-
Definition
sharp or oxygen molecules
oxy/op/ia
sharp/vision/refers to
oxy/gen
sharp (mentally)/producing, developing, forming
oxy/gen/ation
oxygen (molecules)/development/process of
*alternate spelling: OX/O-
Term
PACHY-
Definition
thick
pachy/derm/ia
thick/skin/refers to
*related term(s): PACHY/DERM (elephant-like)
Term
PALAT/O-
Definition
palate, plate or plate of the mouth roof
palato/plasty
palate (roof of mouth)/repair
palat/oplasty
roof of mouth or palate/surgical repair
palat/ine
plate of mouth roof (skull bones)/state of
Term
PALL/O-
Definition
pale or lack of color
pall/or
pale or lack of color/one who
(characteristic of illness)
Term
PALM/A-
Definition
palm or palm of hand
palm/ar
palm or palm of hand/refer to
(front of the hand 'palms forward' as seen in the human anatomical position)
Term
PALPAT/O-
Definition
touching or to touch
palpat/ion
touching or to touch/process of
(physical diagnosis procedure)
Term
PALPEBRA-
Definition
eyelid
palpebr/itis
eyelid/inflamed
*related term(s): BLEPHARO-
Term
PALPIT-
Definition
quivering or fluttering
palpit/ation
quivering or fluttering (heart)/process of
Term
PALSY
Definition
slight or moderate paralysis
Cerebral Palsy (C.P.)
brain: paralysis
(injury to brain that causes temporary or permanent loss of sensation, movement, control)
Term
PAN-
Definition
all, total, complete
pan/dem/ic
all, total, complete/people/pertain to
(spread of disease)
pan/creat/itis
all/flesh/inflamed
Term
PAPILLA-
Definition
nipple
papill/ary
nipple/state of or refer to
Term
PARA-
Definition
near, beside, beyond, around, similar, abnormal
para/thyr/oid
near/shield shaped/resembling
*related term(s): PAR-
Term
-PARESIS
Definition
paralysis
hemi/pare/sis
half/paralysis (slight)/condition of
(this occurs in tertiary syphilis of C.N.S.)
*related term(s): -PLEG/IA
Term
PARIET/O-
Definition
wall or partition
pariet/al
wall or partition/refer to (skull bone)
partition/refer to (pertains to walls of a cavity)
*alternate spelling: PARIET-
*related term(s): PHRAG-, SEPTA-
Term
PART/O-
Definition
birth or labor
post/part/um
after/birth or labor/refers to
*related term(s): NAT-, NATO, TOCI/O-
Term
PATELL/O-
Definition
little dish or knee cap
patell/ar
little dish (knee cap)/refer to
Term
PATH/O-
Definition
disease
path/o/log/y
disease/science of or study of/process of
Term
PAUS/O-
Definition
stoppage
meno/paus/al
monthly/stoppage/refers to
(female 30 day '+/-' cycle)
Term
PECT/O-
Definition
chest
pector/al
chest (anterior breast area)/refer to
*related term(s): PECTERO-
Term
PED-
Definition
foot or feet
ped/al
foot or feet/refer to
*alternate spelling: PEDO-, PEDI-
*related term(s): PES, POD-, PODO-
Term
PEDI-
Definition
child
ped/iatrics
child/treat
ped/ia/tric/ian
child/treats or cures/one who
*related term(s): PEDIA-
Term
PEDICUL/O-
Definition
lice
pediculo/sis
lice (head, body or pubic)/condition of
Term
PELI-
Definition
purple
peli/osis
purple/condition of
(purple spots seen in and on immuno/compromised patients)
Term
PELL-
Definition
skin
pell/agra
skin/rough or painful
*related term(s): CORI/O-, CUT-, CUTI/O-, DERMAT/O-, DERMO-
Term
PELVI/O-
Definition
base, basin, pelvis
pelv/ic
base, basin, pelvis/refers to
(bounded by hip bones and sacrum)
*alternate spelling: PELV/O-
Term
PEN/O-
Definition
tail, organ of copulation, penis
pen/itis
penis/inflamed
Term
-PENIA
Definition
decrease in number
leuko/cyto/penia
white (WBC's)/cells/decrease in number
Term
PENT/A-
Definition
five
pent/agon
five/walls
penta/dactyl five (normal)/fingers and toes on each limb
Term
PEPS/O-
Definition
digestion
dys/peps/ia
difficult or painful/digestion/refers to
*alternate spelling: PEP-, PEPSI, PEPT/O-
Term
PER-
Definition
through
per/cutane/ous
through/skin/state of
per/meate
through/opening
Term
PERI-
Definition
around
peri/cardi/um
around/heart/refers to
peri/stal/sis
around/to clasp and compress/condition
Term
PERINE/O-
Definition
base or floor
perin/eal
base or floor/refers to
(area between anus and external genital organs 'scrotum and vulva')
Term
PERITON/E-
Definition
that which holds the lower viscera
peritone/um
that which holds the lower organs/refers to
(two layered serous membrane in abdomino/pelvic cavity that hold organs)
periton/itis
membrane holding lower viscera or organs and structures/inflammation
Term
PERONEO-
Definition
pin or concerning the lower outside leg bone
perone/al
pin or concerning the lower outside leg bone/refers to
perone/us
pin/refers to
(one of several muscles of leg that moves the foot)
Term
PES
Definition
foot
tali/pes
ankle/foot
(club foot-ankle and foot turn inward)
*related term(s): PED-, POD-, PODO-
Term
PETECH/I-
Definition
small
petech/ial
small/refers to
(usually refers to small hemorrhages or spots on skin or brain)
Term
PETIT
Definition
little illness
petit mal
little illness/bad
(less sever than grand mal epileptic seizures)
Term
PETRO-
Definition
rock, stone, hard
petro/derma
rock, stone, hard/skin
osteo/petr/osis
bone/stone-like/condition
*related term(s): LAP/I-, LITHO-
Term
PHAGO-
Definition
eat, eating, perverse appetite
phago/cyto/sis
eat, eating, perverse appetite/cells (WBC's)/refers to
*alternate spelling: -PHAGY
Term
PHALANG/O-
Definition
close knit row (fingers and toes)
a/phalang/ia
without/close knit row (fingers and toes)/refers to
*related term(s): PHALANX-
Term
PHARMAC/O-
Definition
drug relationship, to drug, medicine
pharmac/o/log/ist
drug or medicine/study of/specialist
Term
PHARYNG/O-
Definition
throat
pharyng/itis
pharynx or throat/inflamed (sore throat)
Term
PHAS/O-
Definition
speech or speaking
dys/phas/ia
difficult or faulty/speech or speaking/refers to
*related term(s): PHAS-
Term
-PHASE
Definition
stage
meta/phase
change/stage or an appearance
(stage of mit/o/sis-chromosomes visible changing)
Term
-PHERESIS
Definition
withdrawal or to separate
hemato/pheresis
blood/to separate
(separating different types of blood cells: leuco/cytes, erythro/cytes, and thrombo/cytes)
Term
-PHILE
Definition
love of, to love, love for
eosino/phil/ia
rose red (WBC staining)/love of/refers to
*alternate spelling: -PHILIA
*related term(s): -PHIL
Term
PHIM/O-
Definition
to muzzle or muzzling
phim/osis
to muzzle or muzzling/condition of
Term
PHLEB/O-
Definition
vein
phleb/itis
vein/inflammed
phleb/o/tom/ist
vein/cut/specialist (draws blood)
*related term(s): VENO-
Term
PHOB/O-
Definition
fear
hydro/phob/ia
water/fear (rabies)/refers to
Term
PHOC/O-
Definition
seal
phoco/mel/ia
seal/limbs/refers to
(flipper babies caused by thalidomide and other drugs)
Term
PHON/O-
Definition
voice or sound
dys/phon/ia
faulty or difficult/voice or sound/refers to
Term
PHOR/O-
Definition
feeling (mental)
eu/phor/ia
good/feeling (mental)/refers to
(esthesia means a physical feeling)
Term
-PHORESIS
Definition
migration, transport, move or carry
a/phoresis
no or lack of/migration, transportation, movement
hemo/phoresis
blood/carrying, migration, transmitting
chema/phoresis
chemical/not moving
epi/phoresis
above/to carry or bear
(the term -PHORESIS is a suffix, the term PHORES/I- is a prefix)
Term
PHOT/O-
Definition
light
photo/graphy
light/process of recording with device
photo/phobia
light/fear of
Term
PHRAG/O-
Definition
wall or partition
dia/phragm
across or through/wall or partition
*related term(s): PARIET/O-, SEPTA-
Term
PHRASO-
Definition
speech or talk
a/phras/ia
without speech, talk, unable to understand
phrases/refers to
Term
-PHRAXIA
Definition
stoppage or obstruction
hemo/phrax/ia
blood/stoppage or obstruction/refers to
Term
PHREN/O-
Definition
mind or diaphragm
phren/ia
mind (mental disorder)/pertains to
phren/ic (nerve)
diaphragm/pertains to
Term
-PHYLAXIS
Definition
protection or guard
pro/phylaxis
before/protection or guard
ana/phylaxis
away from/prevention
Term
PHYSI/O-
Definition
function of or nature of
physi/o/log/y
function or nature of/science of/process of
Term
-PHYSIS
Definition
growth or nature of
sym/physis
together/growth or nature of
*alternate spelling: -PHYSIC
Term
PHYTO-
Definition
plant
phyto/toxin
plant/poison
(plant poisons effecting human)
*related term(s): -LICHEN
Term
PIA-
Definition
gentle
pia mater
soft or gentle: mother
(innermost meninges 'membrane' layer covering the spinal cord)
Term
PIL/O-
Definition
hair
pil/oma
hair/swelling or tumor-like
(condition in hair follicle)
*related term(s): -THRIX, TRICHO/O-
Term
PINN/A-
Definition
feather or feather like
pinna/form
feather like/shape
(the outer ear projection is called the pinna)
Term
PITUIT/O-
Definition
phlegm or glue like mucus
pituit/ary
phlegm or glue like mucus/refer to
(mucoid fluid discharges when gland is pinched during dia/section)
Term
PITYR/I-
Definition
bran (cereal like scales on skin)
pityri/asis
bran (cereal like scales on skin)/refers to
Term
PLACENT/A-
Definition
cake
placent/itis
cake/inflamed
(afterbirth or structure attached to uterine wall during pregnancy that provides nutrition to the fetus)
Term
-PLAKIA
Definition
plate or plate-like
leuko/plakia
white/plate
(pre-cancerous lesions on a membrane or the skin)
Term
PLAN/O-
Definition
flat or a plain
plan/us
pes plan/us
foot: flat or plain (flat footed)
Term
PLANT/O-
Definition
sole of foot
plant/ar
sole of the foot/refer to
(plantar warts 'verruca' are found on the bottom of foot)
Term
PLAS-
Definition
growth, development, formation
hyper/plas/ia
excessive/growth, development, formation/pertains to
*alternate spelling: PLAS/O-, PLAST
*related term(s): -PLASM
Term
-PLEG/IA
Definition
paralysis
quadri/plegia
four (limbs)/paralysis
(often caused by a stroke 'Apoplexy or CVA')
para/plegia
beyond (lower two limbs)/paralyzed
*related term(s): -PARESIS, -PLEXY
Term
PLEUR/O-
Definition
side or rib
pleur/itis
side or rib/inflamed
(this is an inflammation of the membrane that covers the lung just inside the ribcage)
*related term(s): COST/O-
Term
-PLEXY
Definition
paralysis
neuro/plexy
nerve/paralysis
*related term(s): -PARESIS, -PLEGIA
Term
-PNEA
Definition
breathe or breathing
a/pnea
without or lack of/breathe or breathing
*related term(s): PNEUM/O-, PNEUMON/O-, PNEUMAT/O-, SPIRO-
Term
PNEUM/O-
Definition
lung, air, respiration
pneumo/thorax
air (within)/chest
*alternate spelling: PNEUMA-
*related term(s): -PNEA, PNEUMON/O-, PNEUMAT/O-
Term
-POIE/SIS
Definition
to make, form, produce
hemato/poie/sis
blood (large amount)/to make, form, produce/condition or state of
(usually refers to blood production by bone marrow: erythro/poiesis 'RBC's)
Term
POIKIL/O-
Definition
irregular or varied shape
poikilo/cytic
irregular or varied shape/cell
Term
POLI/O-
Definition
gray
polio/myel/itis
gray/spinal cord/inflamed
(virus attaches anterior gray motor horn rami of the spinal cord)
Term
POLLEX-
Definition
thumb
pollex/ectomy
thumb/removal
Term
POLY-
Definition
many
poly/dipsia
many/thirsts (being thirsty)
*related term(s): MULTI-, PLURI-
Term
PONS
Definition
bridge
pons
bridge
(surrounds the brain stem in front and in front and connects to the cerebellum: switchboard)
*related term(s): PONT/O-
Term
POR/O-
Definition
cavity or passage (porous)
osteo/por/o/sis
bone/cavity or passage (porous)/condition of
Term
POST-
Definition
after or behind
post/part/um
after/birth/refers to
poster/ior
after or behind/refers to
Term
-POX
Definition
pits
small pox
tiny/pits
(some remain on skin after primary lesions disappear)
Term
PRAND/I-
Definition
meal or breakfast
prandi/al
meal or breakfast/pertain to
a/prand/ial
without/meal/refer to
Term
-PRAX/IA
Definition
movement or action
pharmaco/prax/ia
drug/movement or action/pertain to
myo/prax/is
muscle/action/refers to
*related term(s): KINESIO-
Term
PRE-
Definition
before
pre/natal
before/birth
*related term(s): ANTE-, PRO-
Term
PREPUCE
Definition
foreskin or hood
prepuce
foreskin or hood
(skin covering of penis 'tail' and clitoris 'penis-like'
Term
PRESBYO-
Definition
old
presby/op/ia
old (weak eyes of elderly)/vision/refers to
(vision defect seen with advancing aging known as far sightedness- 'Hyper/opia' -where one can see objects clearly far away, but not close up)
Term
PRIM/I-
Definition
first
prim/ary
first/refers to
*related term(s): PROT/O-
Term
PRO-
Definition
before
pro/gnosis
before/knowledge
pro/phylax/is
before/prevention or guard/refers to
*related term(s): ANTE-, PRE-
Term
PROCT/O-
Definition
rectum or anus
proct/o/log/ist
rectum or anus/science or study of/specialist
Term
PRONE-
Definition
to bend forward
pronat/ion
to bend forward/ process of
(to lay face down; to lower; to turn hand palm downward or backward)
*related term(s): PRONAT/O-
Term
PROPRI/O-
Definition
property (nerve stimuli or information)
proprio/ceptor
property (nerve stimulation or information)/ones own receives
(these are nerve receivers in the bodies joints)
Term
PROSTAT/O-
Definition
one who lies before
prostat/ectomy
one who lies before/excision (cut out)
(prostate gland lies in front of urinary bladder)
Term
PROT/O-
Definition
first
proto/zoon
first/animals
(protozoa-the one cell animal)
*related term(s): PRIMI-
Term
PROXIM/O-
Definition
close or closest
proxim/al
close or closest/refer to
Term
PRUR/I-
Definition
itch or itching
prur/itis
itch/inflamed
*related term(s): PRURIT/O-
Term
PSEUD/O-
Definition
false
pseudo/membraneous
false/skin like/state of
Term
PSOAS
Definition
loin (lumbar)
psoas loin (lumbar)
(these are muscles above the flank and beside the lumbar region)
Term
PSOR/I-
Definition
to itch
psori/asis
to itch/condition of
Term
PSYCH/O-
Definition
mind
psych/olog/y
mind/science of or study of/process of
Term
PTERYG/O-
Definition
winged
pteryg/oid
winged/resembles
(membrane growth on medial aspect of eyeball)
Term
-PTOSIS
Definition
to drop, fall, displace
splanchno/ptosis
viscera or organ/to drop, fall, displace
neuphro/ptosis
kidney/to drop, fall, displace
Term
-PTYSIS
Definition
spitting or spit
hemo/ptysis
blood/spitting or spit
Term
PUB/O-
Definition
pubis or pubic
pub/ic
pubis or pubic/refers to
Term
PULMON/O-
Definition
lung
pulmon/ary
lung/pertains to
*alternate spelling: PULM/O-
*related term(s): PNEUM/O-
Term
PULP/O-
Definition
solid flesh
pulp/itis
solid flesh/inflamed
Term
PUPILL/O-
Definition
pupil
pupilo/meter
pupil/to measure (size of ring shape)
Term
PURPUR/O-
Definition
purple
purpu/ic
purple/refers to
(small purple hemorrhages appear on the skin, membranes, organs, tissues)
Term
PYEL/O-
Definition
pelvis or kidney
pyelo/nephr/itis
pelvis/of kidney/inflammation
Term
PYKN/O-
Definition
thick, dense, compact
pykn/emia
thick/refers to blood
(often causing heart attacks and stroke)
*related term(s): PYCN/O-
Term
PYL/O-
Definition
gatekeeper
pyl/or/ic
gatekeeper/one who/refer to
(lower sphincter (that which binds together) of stomach)
Term
PYO-
Definition
pus
pyo/gen/ic
pus/produce/refers to
*related term(s): PY-
Term
PYRET/O-
Definition
fever
pyret/ic
fever 'febrile', heat, fire/refers to
pyreto/gen
fever/producing
*related term(s): PYREX-
Term
QUADR/I-
Definition
four
quadr/ants
four/refers to
(4 abdominal divisions around navel '+')
*alternate spelling: QUAD-
Term
QUINT/I-
Definition
five
quintu/plet
five/offspring or folds
Term
RADI/O-
Definition
ray, spoke, X-ray, radio activity
radia/tion
ray, spoke, X-ray, radio-activity/process of or state of
rad/ius
spoke/refer to
(lateral bone of forearm-to side with palm up)
Term
RADIC/O-
Definition
nerve root or spinal nerve
radicul/itis
nerve root/inflammation
*related term(s): RADICUL/O-
Term
RAY-
Definition
spoke or wave length
ray
spoke or wave length
(This is one or more lines from a common center: energy, X-ray, spectrum, radiant, fluorescence, and heat. Types vary: X-ray, alpha, beta, gamma, delta, actinic, cathode, hard, heat, infrared, luminous, medullary, positive, primary, secondary, roentgen, ultraviolet, etc.)
Term
RE-
Definition
again
re/spir/ation
again/breath/process of
Term
RECT/O-
Definition
rectum or straight
recto/clysis
rectum or straight/washing out
rectus abdominal muscles
straight/belly/muscle
Term
REN/O-
Definition
kidney
ren/al
kidney/pertaining to
Term
RETICUL/O-
Definition
network
reticul/ation
network/process of
(a massive net: composed of the net and WBC's in bone marrow and in lymph nodes)
Term
RETINA
Definition
net or net like
Retin/itis
net or net like/inflamed
(the appearance of the blood vessels on the thin inner eye layer at back of eyeball)
Term
RETR/O-
Definition
back of, behind, backward, after
retro/cervic/al
behind/neck/refers to
retro/grade
back of, backward, behind, after/movement
retro/col/ic
back of/big intestine/refers to
Term
RHACHI/O-
Definition
jointed vertebrae, spine, spinal column
rhach/itis
jointed vertebrae, spine, spinal column/inflamed
*alternate spelling: RACHIO-
*related term(s): RACHI-
Term
RHEUMAT/O-
Definition
discharge or flow through
rheumat/oid arthr/itis
discharge or flow through/resembles: joint inflamed
Term
RHIN/O-
Definition
nose
rhino/plasty
nose/repair or plastic surgery (nose job)
rhin/itis
nose/inflamed
rhin/o/rrhea
nose/running
Term
RHOMB/O-
Definition
parallelogram or diamond shaped
rhomb/oid muscles (major and minor)
parallelogram (diamond shaped)/resembles: muscles
(one of two muscles beneath the large trapezius muscles of the neck and back 'cervical and thoracic vertebra'.)
Term
RHYTID/O-
Definition
wrinkles
rhytid/ectomy
wrinkles/plastic surgery to remove wrinkles
rhytido/plasty
wrinkles/plastic surgery or repair
Term
RICHETTS/IA
Definition
rickets like symptoms in joints
rickets like symptoms in joints/refers to
(Dr. Howard Ricketts was an American Pathologist '1871-1910' who identified this organism. Rember some terms in the sciences are named for people. Rickets is usually caused by the deficiency of Vitamin A & D)
Term
ROENT/O-
Definition
X-ray
roent/gen/ic
X-ray/beginning or caused by/refer to
Term
ROTAT/O-
Definition
to turn or swing around
rotat/or
to turn or swing around/one who
Term
-RRHYTHM
Definition
rhythm or contraction
a/rrhythm
lack of or without/rhythm or contraction
Term
RUBE/O-
Definition
red
rube/osis
red/condition of
*alternate spelling: RUBER/O-
*related term(s): RUBELLO-, RUBEOL-
Term
RUG/A-
Definition
folds
rug/ae
folds/refers to (seen in vagina; stomach; intestines)
Term
SACCHAR/O-
Definition
sugar
sacchar/ide
sugar/likeness
Term
SACR/O-
Definition
saucer or sacred bone
sacr/al
saucer or sacred bone/pertaining to
Term
SAGITT/O-
Definition
arrow or arrow like
mid/sagitt/al
middl/like and arrow or arrow-like (cut)/refers to
(visual or surgical cut separating body or parts into right and left segments)
Term
SALIV/O-
Definition
spit
saliv/ation
spit (making)/process of
saliva/process of (making or producing)
Term
SALPING/O-
Definition
tube, duct, canal
salping/itis
tube, duct, canal/inflamed
Term
SARC/O-
Definition
fleshy
sarc/oma
fleshy/tumor
(these are tumors of the body's hard tissue 'bones, muscle, tendons, ligaments, and cartilage' that become soft or flesh-like)
Term
SCAB/O-
Definition
to itch
scab/ies
to itch/condition of
(mite infestation or skin)
Term
SCAPUL/O-
Definition
shoulder blade
scapul/ectomy
shoulder blade/removal (surgical excision)
Term
SCHIZ/O-
Definition
split or splitting
schizo/phren/ia
split/mind/refers to
*related term(s): SCHIST/O-, SCISS/I-
Term
SCLER/O-
Definition
hardening
athero/scler/osis
yellow fat or porridge/hardening/condition of
(this is the leading killer or Cardio-Vascular Disease in the U.S.A.)
scler/itits
hard/inflammation
(sclera is the hard outer white membrane layer of eye)
Term
SCOLI/O-
Definition
crooked or twisted
scoli/osis
crooked or twisted (spine)/condition of
Term
-SCOP/E
Definition
an instrument that examines or views
micro/scop/e
small/to view or examine/instrument (process of)
Term
-SCOPY
Definition
to examine or view
lapro/scop/y
abdomen wall or abdominal/to examine or view/ procedure of (process of)
Term
SCOT/O-
Definition
darkness
scot/oma
darkness (blind spot)/swelling or tumor (causing)
(portion of retina of the eye: blind spot)
Term
SCROT/O-
Definition
sac or pouch
scrot/al
sac or pouch/refers to
*related term(s): VESIC/O-
Term
SCURVY
Definition
to scratch
scurvy
to scratch
(vitamin C deficiency)
Term
SEB/O-
Definition
oil
seb/aceous gland
oil/pertains to
(sebaceous gland of hair follicle: sebum means oil like -oleum)
Term
SECRETO-
Definition
separating or to separate
secreat/or
separating or to separate/one who
Term
SECT/O-
Definition
to cut
sect/ion
to cut (several times) or to cut apart/procedure of
(to section an organ)
*related term(s): -CIS, -TOM
Term
SEMI-
Definition
half
semi/conscious
half/aware
*related term(s): DEMI-, HEMI-
Term
SEMIN/O-
Definition
seed or seed producer
semin/al
seed or seed producer/refers to
semen
seed (male sperm 'with fluid')
*related term(s): GONO-, SEMEN/O-
Term
SENIL/E-
Definition
old
senil/ity
old/state of
(mental and/or physical weakness)
(Presbyt/iatrics and Ger/iatrics treat disease of old age)
Term
SEPT/A-
Definition
partition or wall
sept/um
partition or wall/refers to
(wall dividing a space: nose and heart)
*related term(s): PARIET/O-, PHARG/O-
Term
SEPT/I-
Definition
seventh
septi/para
seventh/child births or born infants
Term
SEPT/O-
Definition
poison, infection, decay, putrefy
sept/ic
poison/refer to
*related term(s): SEPS/O-, TOX/O-
Term
SIAL/O-
Definition
saliva or spit
sial/aden/itis
saliva or spit/gland/inflammation
hypo/sialo/gogic
low/saliva/production
*related term(s): -PTYSIS, SALVI/O-
Term
SIDER/O-
Definition
iron
sidero/cyte
iron/cell
(specialized RBC's that contain iron in a form other than hematin)
*related term(s): FERR/O-, HEME-
Term
SILIC/O-
Definition
silicon carbon particles
silico/sis
silicon carbon particles/refers to
(also known as: arc welders disease-inhaling iron particles)
Term
SIN/O-
Definition
cavity
sin/us
cavity/refers to
(air-filled or open space in bone)
*related term(s): ALVEOL/I-
Term
SINISTR/O-
Definition
to the left or left
sinistro/card/ia
to the left or left/heart/refers to
Term
SKELET/O-
Definition
dried up or to attach
skelet/al
dried up or to attach/refers to
Term
SOLE-
Definition
the sole of the foot
sole/us
sole of foot/refers to
(muscle running from the back of the lower leg to the sole of the foot)
Term
-SOL
Definition
in solution or solution
aero/sol
air/solution
Term
SOM/O-
Definition
body
psycho/somat/ic
mind/body/refer to
(the term SOM/O is a prefix, the term -SOME is a suffix)
*related term(s): SOMAT/O-
Term
SOMN/O-
Definition
sleep
somni/pathy
sleep/disease
(sleep disorder)
*related term(s): HYPN/O-
Term
SON/O-
Definition
sound
sono/gram
sound/recording or writing (diagnosis)
*related term(s): ECHO-
Term
SPAD/I-
Definition
to tear
epi/spad/ism
upon/to tear/state of
(usually abnormal opening on the upper side of the male penis or shaft)
*related term(s): AVULS/I-,
tip: DACRY/O- and LACRIM/O- means "to tear" as in tearing or crying
Term
-SPASM
Definition
involuntary contraction
myo/spasm
muscle/sudden involuntary muscle contraction
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