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Chp 4 Med Term
Chp 4 Med Term
184
Medical
Undergraduate 4
09/17/2009

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Term
Chromatin
Definition
Structural component of the nucleus, composed of nucleic acids and proteins
Term
Chromosome
Definition
Threadlike structures within the nucleus composed of a DNA molecule that carries hereditary information encoded in genes
Term
cytoplasm
Definition
jellylike substance found within the cell membrane composed of proteins, salts, water, dissolved gases, and nutrients
Term
Deoxyribonucleic Acid (DNA)
Definition
Molecule that holds genetic information capable of replicating and producing an exact copy whenever the cell divides
Term
Diaphragm
Definition
Muscular wall that divides the thoracic cavity from the abdominopelvic cavity
Term
Metabolism
Definition
Sum of all physical and chemical changes that take place in a cell or an organism
Term
Organelle
Definition
Cellular structure that provides a specialized function, such as the nucleus (reproduction), ribosomes (protein synthesis), Golgi apparatus (removal of material from the cell), and lysosomes (digestion)
Term
Pathology
Definition
Study of the nature of disease, their causes, development, and consequences
Term
Peristasis
Definition
Rhythmic contraction and relaxation of the walls of a tubular organ to propel its contents onward
Term

Midsagitaal (median)

 

(plane)

Definition

Right and left halves

 

(anatomical division)

Term

Coronal (frontal)

 

(plane)

Definition

Anterior (ventral) and posterior (dorsal) aspects

 

(anatomical division)

Term

Transverse (horizontal)

 

(plane)

Definition

Superior (upper) and inferior (lower) aspects

 

(anatomical division)

Term

Cavity

 

Dorsal

 

Cranial

Definition

Major Organ

 

Brain

Term

Cavity

 

Dorsal

 

Spinal

 

Definition

Major Organ

 

Spinal Cord

Term

Cavity

 

Ventral

 

Thoracic

Definition

Major Organs

 

Heart, Lungs, and associated structures

Term

Cavity

 

Ventral

 

Abdominopelvic

Definition

Major Organs

 

Digestive, excretory, and reproductive organs and structures

Term

Right Upper Quadrant

(RUQ)

Definition
Right lobe of liver, gallbladder, part of pancreas, part of small and large intestines
Term

Left Upper Quadrant

(LUQ)

Definition
Left lobe of liver, stomach, spleen, part of pancreas, part of small and large intestines
Term

Right Lower Quadrant

(RLQ)

Definition
Part of small and large intestines, appendix, right ovary, right fallopian tube, right uterer
Term

Left Lower Quadrant

(LLQ)

Definition
Part of small and large intestines, left ovary, left fallopian tube, left ureter
Term
Left Hypochondriac
Definition
upper left region beneath the ribs
Term
Epigastric
Definition
Region above the stomach
Term
Right hypochondriac
Definition
Upper right region beneath the ribs
Term
Left Lumbar
Definition
Left middle lateral region
Term
Umbilical
Definition
Region of the navel
Term
Right lumbar
Definition
Right middle lateral region
Term
Left inguinal (iliac)
Definition
Left lower lateral region
Term
Hypogastric
Definition
Lower middle region beneath the navel
Term
Right inguinal (iliac)
Definition
Right lower lateral region
Term
Abduction
Definition
movement away from the medsagittal (median) plane of the body or one of its parts
Term
Adduction
Definition
Movement toward the midsagittal (median) plane of the body
Term
Medial
Definition
Pertaining to the midline of the body or structure
Term
Lateral
Definition
Pertaining to the side
Term
Superior (cephalad)
Definition
Toward the head or upper portion of the structure
Term
Inferior (caudal)
Definition
away from the head, or toward the tail or lower part of a stucture
Term
Proximal
Definition
Nearer to the center (trunk of the body) or the point of attachment to the body
Term
Distal
Definition
Further from the center (trunk of the body) or from the point attachment to the body
Term
Anterior (ventral)
Definition
Front of the body
Term
Posterior (dorsal)
Definition
Back of the body
Term
Parietal
Definition
Pertaining to the outer wall of the body cavity
Term
Visceral
Definition
Pertaining to the viscera, or internal organs, especially the abdominal organs
Term
Prone
Definition
Lying on the abdomen, face down
Term
Supine
Definition
Lying horizontally on the back, face up
Term
Inversion
Definition
turning inward or inside out
Term
Eversion
Definition
Turning outward
Term
Palmar
Definition
Pertaining to the palm of the hand
Term
Plantar
Definition
Pertaining to the sole of the foot
Term
Superficial
Definition
Toward the surface of the body (external)
Term
Deep
Definition
Away from the surface of the body (internal)
Term
cyt/o
Definition
cell
Term
hist/o
Definition
tissue
Term

kary/o

 

nucle/o

Definition
nucleus
Term

cirrh/o

 

jaund/o

 

xanth/o

Definition
yellow
Term
cyan/o
Definition
blue
Term
erythr/o
Definition
red
Term
melan/o
Definition
black
Term
poli/o
Definition
gray; gray matter (of brain or spinal cord)
Term
acr/o
Definition
extremity
Term
eti/o
Definition
cause
Term
idi/o
Definition
unknown, peculiar
Term
morph/o
Definition
Term
anter/o
Definition
anterior, front
Term
caud/o
Definition
tail
Term
crani/o
Definition
cranium (skull)
Term
dist/o
Definition
far, farthest
Term
dors/o
Definition
back (of body)
Term
infer/o
Definition
lower, below
Term
later/o
Definition
side, to one side
Term
medi/o
Definition
middle
Term
poster/o
Definition
back (of body), behind, posterior
Term
proxim/o
Definition
near, nearest
Term
ventr/o
Definition
belly, belly side
Term
abdomin/o
Definition
abdomen
Term
cervic/o
Definition

neck; cervix uteri (neck of the uterus

 

cervical-pertaining to the neck

Term
crani/o
Definition
cranium (skull)
Term
gastr/o
Definition
stomach
Term
ili/o
Definition
ilium (lateral flaring portion of hip bone)
Term
inguin/o
Definition
groin
Term
lumb/o
Definition
loins (lower back)
Term

pelv/i

 

pelv/o

Definition
pelvis
Term
spin/o
Definition
spine
Term
thorac/o
Definition
chest
Term
umbilic/o
Definition
umbilicus, navel
Term

albin/o

 

leuk/o

Definition
white
Term
chlor/o
Definition
green
Term
chrom/o
Definition
color
Term
path/o
Definition
disease
Term
radi/o
Definition
radiation, x-ray; radius (lower arm bone on thumb side)
Term
somat/o
Definition
body
Term
son/o
Definition
sound
Term
viscer/o
Definition
internal organs
Term
xer/o
Definition
dry
Term
-genesis
Definition
forming, producing, origin
Term
-gnosis
Definition
knowing
Term
-gram
Definition
record, writing
Term
-graph
Definition
instrument for recording
Term
-graphy
Definition
process of recording
Term
-logist
Definition
specialist in the study of
Term
-logy
Definition
study of
Term
-meter
Definition
instrument for measuring
Term
-metry
Definition
act of measuring
Term
-pathy
Definition
disease
Term
ab-
Definition
from, away from
Term
ad-
Definition
toward
Term
hetero-
Definition
different
Term
homeo-
Definition
same, alike
Term
infra-
Definition
below, under
Term
peri-
Definition
around
Term
super-
Definition
upper, above
Term
trans-
Definition
across, through
Term
ultra-
Definition
excess, beyond
Term
adhesion
Definition
abnormal fibrous band that holds or binds together tissues that are normally separated
Term
analyte
Definition
substance analyzed or tested, generally by means of laboratory methods
Term
contrast medium
Definition
substance injected into the body, introduced via catheter, or swallowed to facilitate radiographic images of internal structures that otherwise are difficult to visualize on x-ray film
Term
dehiscence
Definition
bursting open of a wound, especially a surgical abdominal wound
Term
febrile
Definition
feverish; pertaining to a fever
Term
homeostasis
Definition
relative constancy or balance in the internal environment of the body, maintained by processes of feedback and adjusment in response to external or internal changes
Term
inflammation
Definition
body defense against injury, infection, or allergy that is marked by redness, swelling, heat, pain, and sometimes, loss of function
Term
morbid
Definition
diseased; pertaining to a disease
Term
nuclear medicine
Definition
branch of medicine concerned with the use of radioactive substances for diagnosis, treatment, and research
Term
radiology
Definition
medical speciality concerned with the use of electromagnetic radiation, ultrasound, and imaging techniques for diagnosis and treatment of disease and injury
Term
Interventional Radiology
Definition
Radiological practice that employs fluroscopy, CT, and ultrasound in nonsurgical treatment of various disorders
Term
Therapeutic Radiology
Definition
Use of ionizing radiation in the treatment of cancer; also called radiation oncology
Term
Radionuclides
Definition
Substances that emit radiation spontaneously; also called tracers
Term
Radiopharmaceutical
Definition
Radionuclide attached to a protein, sugar, or other substance used to visualize an organ or area of the body that will be scanned
Term
Scan
Definition
Term used to describe a computerized image by modality (such as a CT, MRI, and nuclear imaging) or by structure (such as thyroid and bone)
Term
Sepsis
Definition
Pathological state, usually febrile, resulting from the presence of microorganisms or their products in the bloodstream
Term
Suppurative
Definition
Producing or associated with generation of pus
Term
Endoscopy
Definition
Visual examination of a body cavity or canal using a specialized lighted instrument called an endoscope
Term
Laparoscopy
Definition
Visual examination of the organs of the pelvis and abdomen through very small incisions in the abdominal wall
Term
Thoracoscopy
Definition
Examination of the lungs pleura, and pleural space with a scope inserted through a small incision between the ribs
Term
Complete blood count (CBC)
Definition
common blood test that enumerates red blood cells, white blood cells, and platelets; measures hemoglobin (the oxygen-carrying molecule in red blood cells); estimates red cell volume; and sorts white blood cells into five subtypes with their percentages
Term
Urinalysis (UA)
Definition
Common urine screening test that evaluates the physical, chemical, and microscopic properties of urine
Term
Computed tomography (CT)
Definition
Imaging technique acheived by rotating an x-ray emitter around the area to be scanned and measuring the intensity of transmitted rays from different angles; formerly called computerized axial tomography
Term
Doppler
Definition
Ultrasound technique used to detect and measure blood-flow velocity and direction through the cardiac chambers, valves, and peripheral vessels by reflecting sound waves off moving blood cells
Term
Fluoroscopy
Definition
Radiographic technique in which x-rays are directed through the body to a fluorescent screen that displays continuous motion images of internal structures
Term
Magnetic resonance imaging (MRI)
Definition
Noninvasive imaging technique that uses radiowaves and a strong magnetic field rather than an x-ray beam to produce multiplanar crosssectional images
Term
Nuclear Scan
Definition
diagnostic technique that uses a radioactive material (radiopharmaceutical) called a tracer that is introduced into the body (inhaled, ingested, or injected) and a specialized camera to produce images of organs and structures
Term
Positron Emission Tomography (PET)
Definition
scanning technique using computerized tomography to record the positrons (positive charged particles) emitted from a radiopharmeceutical, that produces a cross-sectional image of metabolic activity in body tissues to determin the prescence of disease
Term
Radiography
Definition
imaging technique tat uses x-rays passed through the body or area and caputred on a film; also called x-ray
Term
Single photon emission computed tomography (SPECT)
Definition
Radiological technique that integrates computed tomograpgy (CT) and a radioactive material (tracer) injected into the bloodstream to visualize blood flow to tissues and organs
Term
Tomography
Definition
Radiographic technique that produces an image representing a detailed cross-section, or slice, of an area, tissue, or organ at a predetermined depth
Term
Ultrasonography (US)
Definition
Imaging procedure using high-frequency sound waves (ultrasound) that display that reflected "echoes" on a monitor; also called ultrasound, sonography, echo, and echography
Term
Biopsy (bx)
Definition
Representative tissue sample removed from a body site for microscopic examination, usually to establish a diagnosis
Term
frozen section (FS) biopsy
Definition
Ultra-thin slice of tissue cut from a frozen specimen for immediate pathological examination
Term
Needle biopsy
Definition
Removal of a small tissue sample for examination using a hollow needle, usually attached to a syringe
Term
Punch biopsy
Definition
Removal of a small core of tissue using a hollow instrument (punch)
Term
Shave biopsy
Definition
Removal of tissue using a surgicial blade to shave elevated lesions
Term
Ablation
Definition
removal of a part, pathway, or function by surgery, chemical destruction, electrocautery, freezing, or radio frequency (RF)
Term
Anastomosis
Definition
Surgical joining of two ducts, vessels, or bowel segments to allow flow from one to another
Term
Cauterize
Definition
Destroy tissue by electricity, freezing, heat, or corosive chemicals
Term
Curettage
Definition
Scraping of a body cavity with a spoon-shaped instrument called a curette (curet)
Term
Incision and Drainage (I & D)
Definition
Incision made to allow the free flow or withdrawal of fluids from a wound or cavitiy
Term
Laser Surgery
Definition
Surgical technique employing a device that emits intense heat and power at close range to cut, burn, vaporize, or destroy tissues
Term
Radical Dissection
Definition
Surgical removal of tissue in an extensive area surrounding the surgical site in an attempt to excise all tissue that may be malignant and decrease the chance of recurrence
Term
Resection
Definition
Partial excision of a bone, organ, or other structure
Term
ant
Definition
anterior
Term
AP
Definition
Anteroposterior
Term
Bx, bx
Definition
biopsy
Term
CBC
Definition
complete blood count
Term
CT
Definition
computed tomography
Term
DNA
Definition
Deoxyribonucleic Acid
Term
DSA
Definition
Digital Subtraction Angiography
Term
Dx
Definition
Diagnosis
Term
FS
Definition
frozen section
Term
I & D
Definition
incision and drainage
Term
LAT, lat
Definition
lateral
Term
LLQ
Definition
lower left quadrant
Term
LUQ
Definition
left upper quadrant
Term
MRI
Definition
Magnetic Resonance Imaging
Term
PET
Definition
Positron Emission Tomography
Term
post
Definition
posterior
Term
RF
Definition
rheumatoid factor; radio frequency
Term
RLQ
Definition
Right lower quadrant
Term
RUQ
Definition
Right upper quadrant
Term
sono
Definition
sonogram
Term
SPECT
Definition
single photon emission computer tomography
Term
Sx
Definition
symptom
Term
Tx
Definition
treatment
Term
UA
Definition
urinalysis
Term
U & L, U/L
Definition
Upper and lower
Term
US
Definition
ultrasound ultrasonography
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