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Anatomy for Test 1
vmrcvm semester 1 anatomy for test 1
175
Anatomy
Professional
08/24/2009

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Term
axial skeleton
Definition
skull & vertebrae
Term
types of vertebrae
Definition
cervical, thorax, lumbar, sacral, coxigal
Term
appendicular skeleton
Definition
limbs
Term
girdle
Definition
how limbs attach to body
Term
medial plane
Definition
divides animal in half from head to tail; only one
Term
saginal plane
Definition
parallel to median plane; several
Term
transverse plane
Definition
perpendicular to median plane; several
Term
dorsal plane
Definition
divides animal into dorsal and ventral
Term
medial
Definition
towards midline
Term
lateral
Definition
away from midline
Term
heterotopic bones
Definition
not connected to anything else
Term
ossa cordis
Definition
bone of heart
Term
os penis
Definition
penis bone(in some species)
Term
scapula borders
Definition
dorsal, cranial, claudal
Term
scapula angles
Definition
ventral/distal, claudal, cranial
Term
humerus ends
Definition
proximal & distal; varies between species
Term
spinus/dorsal processes
Definition
protrusions in the dorsal direction; highest in thoratic, high in lumbar, low in cervical
Term
transverse processes
Definition
'wings'; biggest in lumbar, big in cervical, small in thorax
Term
vertebral canal
Definition
through which spinal column runs; made of vertebral arches
Term
pinnacles
Definition
vertical arches (2)
Term
lamina
Definition
'roof' or horizontal arch
Term
body of vertebrae
Definition
under vertebral canal, main mass
Term
forman
Definition
window formed by notches on cranial and claudial edges of vertebrae; between vertebrae; where spinal nerves exit; exists at least cervical to sacral
Term
atlas
Definition
C1
Term
alanto-axial joint
Definition
joint between c1 & c2, can rotate, 'no joint'
Term
axis
Definition
C2
Term
CD
Definition
claudal vertebrae
Term
Ar
Definition
aryldactyl- cows
Term
arthology
Definition
study of ligaments and joints
Term
herniated/slipped disk
Definition
- rupture in the fibrous 'jelly'
-space between ribs decreases
-forman shrinks; pinches nerve
Term
hyaline cartilage
Definition
-located on the articulating surfaces of joints
-amorphous, gel-like substance
-rich in glycosaminoglycans
Term
Synovial fluid
Definition
-viscous and slippery fluid
-high content of hyaluronic acid
-between hyaline cartilage surfaces
-reduces friction
-provides nutrition to hyaline cartilage
Term
Synovial membrane
Definition
-produces synovial fluid
-attaches to both bones, encloses joint
Term
Joint Capsule
Definition
-synovial membrane
-fibrous connective tissue layer that reinforces the synovial membrane
Term
Costae
Definition
rib
Term
parts of the rib
Definition
head, neck, tubercle, shaft/body
Term
head of rib articulates with
Definition
adjacent vertebrae
Term
sulcus
Definition
separates the convex facets of the head of the rib
Term
tubercle of rib articulates with
Definition
transverse processes
Term
Costochondral Junction
Definition
where the bony rib unites with the costal cartilage
Term
Sternal ribs
Definition
cartilages join the sternum
Term
asternal ribs
Definition
cartilages overlap and attached to each other forming the costal arch
Term
floating rib
Definition
no cartilage binging them
Term
intercostal space
Definition
space between two consecutive ribs
Term
sternum
Definition
consists of 6-8 sterebrae connected by cartilage
Term
Manubrium Sterni
Definition
1st sterebra; handle of the sternum
Term
Cariniform cartilage
Definition
only in horses; increased surface for attachment of the pectroral muscle; part of the manubrium sterni
Term
Xiphoid process
Definition
last sternebra
Term
costal fovea/demifacets
Definition
on thoracic vertebrae; articulation with the head and tubercle of the rib; cranial and caudal pair
Term
ventral spine/crest
Definition
spinous process of the cervical vertebrae
Term
pedicles
Definition
verticle portions of the neural arch
Term
lamina
Definition
horizontal portions of the vertebral arch
Term
transverse fovea
Definition
articulation with the tubercle of the rib ; two-pronged (bifid)
Term
mammillary process
Definition
extends from the top edge of the transverse process; attachment for muscles
Term
accessory process
Definition
in lumbar region; projects caudally; small & pointed
Term
articular process
Definition
where articulation with other vertebrae occur; articular surface= facet
Term
alae
Definition
wings
Term
lateral vertebral foreman
Definition
in the atlas; cranial edge of dorsal arch
Term
alar foramen/ notch
Definition
cranial edge of alae in atlas; notch in carnivores
Term
atlas articulates cranially with
Definition
occipital condyles
Term
fovea dentis
Definition
dorsal aspect of ventral arch; articulates with dens of axis
Term
dens/odontoid process
Definition
tooth-like long and slender in carnivores
Term
median sacral crest
Definition
in cow & dog, fused spinous processes
Term
lateral sacral crest
Definition
fused transverse processes
Term
intermediate sacral crest
Definition
fused articular & accessory processes
Term
dorsal sacral foramen
Definition
foramen in dorsal side
Term
pelvic sacral foamen
Definition
foramen in ventral surface
Term
alae of sacrum articulate with
Definition
wings of the ilium on the ox coxae
Term
sacral promontory
Definition
cranioventral margin of the cranial articular surface
Term
caudal vertebrae
Definition
10-20s; reduced to rods
Term
hemal arches
Definition
V or Y shaped bones that articulate with the caudoventral aspect of the bodies of Cd4-6 in dogs; protect the medial coccygeal artery
Term
external occipital protuberance
Definition
prominence typically located on the midline of the caudal portion of skill; triangular
Term
mastoid process
Definition
small triangular prominence on caudal or caudoventral edge
Term
zygomatic arch
Definition
cheek bone
Term
acromion process
Definition
point of shoulder
Term
scapular notch
Definition
concavity on cranial border of scapula
Term
infraglenoid/ infra-articular tuberosity
Definition
on caudal border near articular angle; only in carnivores
Term
tuber spinae
Definition
roughed area around midpoint of spine on scapula
Term
acromion
Definition
point at the distal end of the spine
Term
matacromion
Definition
bone projecting caudally from acromion; only in carnivores
Term
supraspinous fossa
Definition
section of the scapula cranial to the spine
Term
infraspinous fossa
Definition
section of the scapula caudal of the spine
Term
facies serrata
Definition
surface with saw-tooth margin just below vertebral border
Term
subscapular fossa
Definition
depression surrounded by muscular lines
Term
glenoid cavity
Definition
shallow depression that received the head of the humerus
Term
scapular/supraglenoid tuberosity or tuber scapulae
Definition
on cranial edge of distal angle
Term
corocoid process
Definition
small beak-like process medial of the scapular tuberosity; vestige of corocoid bone
Term
collum
Definition
neck
Term
caput
Definition
head
Term
greater tuberosity/ tubercle
Definition
craniolateral projection on proximal end
Term
convexity of greater tuberosity
Definition
caudal to greater tuberosity; smooth portion
Term
infraspinous tuberosity
Definition
area below the greater tuberosity
Term
lesser tuberosity
Definition
cranio-medial projection of the proximal end
Term
intertuberal/bicipital sulcus/groove
Definition
between tuberosities and facing cranially
Term
brachial/musculospiral groove
Definition
lateral surface of body; spirals cranially near distal end to caudally near proximal end
Term
crest of humerus
Definition
crest of the greater tuberosity in carnivores; separated cranial and lateral surfaces of shaft; indistinct
Term
deltoid tuberosity
Definition
lateral process near midpoint of crest
Term
tricipital line
Definition
extends proximally from deltoid tuberosity; curved
Term
teres tuberosity
Definition
medial surface of body; more proximal and crest like in carnivores
Term
intermediate ridge
Definition
only in horses; ridge in bicipital sulcus of humerus
Term
pelvic symphasis
Definition
where the os coxae are joined
Term
ilium
Definition
flat bone of the ox coxae that extends cranially and laterally
Term
ala of ilium
Definition
wing; cranial expanded portion
Term
gluteal surface
Definition
dorsolaterally and caudally in horse and cow; laterally in carnivore
Term
gluteal line
Definition
crosees gluteal surface; prominent in horses and ruminants; absent in carnivores
Term
sacropelvic surface
Definition
medial surface of ilium
Term
auricular surface
Definition
found on sacropelvic surface; more cranioventrallateral
Term
pars iliaca
Definition
found on sacropelvic surface; more cranioventrallateral
Term
iliac crest
Definition
cranial border of wings
Term
tuber sacrale
Definition
dorsomedial angle (interior angle)
Term
tuber coxae
Definition
ventrolateral angle (exterior angle)
Term
shaft of ilium
Definition
narrow part of the ilium connecting wing to acetabulum
Term
ishium
Definition
caudally and ventral on ox coxae
Term
ishiatic table
Definition
expanded part of ishium
Term
shaft of ishium
Definition
connects to acetabulum
Term
ishiatic spine
Definition
dorsal border
Term
greater ishiatic notch
Definition
between spine and tuber sacrale; cranial to spine
Term
lesser ishiatic notch
Definition
caudal to spine
Term
tuber ischii/ ishicatic tuberosity
Definition
process at caudolateral angle; most distinguishing characteristic from species standpoint
Term
pubis
Definition
medial and ventral aspect of ox coxae
Term
pubic tubercle
Definition
midline of crania border
Term
pectin ossis pubis
Definition
entire cranial border
Term
acetabulum
Definition
deep socket on os coxae that articulates with head of femur
Term
facies lunata
Definition
moon face; articular surface of acetabulum
Term
acetabular fossa
Definition
non articulating surface in acetabulum; attachment for ligament
Term
acetabular notch
Definition
gap between the two ends of the facies lunata
Term
obturator foramen
Definition
large opening between pubis & ishium
Term
supraspinous ligament
Definition
runs along spinous processes of ribs; in lumbar region gives rise to and blends with thoracolumbar fascia; at T2 cranially turns into nuchal ligament
Term
nuchal ligament
Definition
yellow elastic ligament; both funicular and lamellar portions
Term
funicular
Definition
cordlike, attaches to the external occipital protuberance
Term
llamellar
Definition
sheetlike, digitations attaching to cervical spinous processes
Term
atlantal bursa
Definition
between dorsal atlantal tubercle and funicular portion in horses
Term
supraspinous bursa
Definition
dorsal to second to fourth thoracic spinous process and between funicular and lamellar parts
Term
dorsal longitudinal ligament
Definition
runs along the floor of the vertebral canal; reduced in lumbar region; fused in sacral region; in cervical region divides into three pillars, center become apical ligament of dens, lateral pillars become alar ligaments
Term
transverse atlantal ligament
Definition
in dogs; holds dens down
Term
ventral longitudinal ligament
Definition
longitudinally along the vertebral crest at the ventral side of the bodies; absent or reduced in sacral and coccygeal; terminates cranially at ventral tubercle of atlas as ventral atlano-axial ligament
Term
intervertebral disc
Definition
between bodies of adjacent vertebrae; thick in lumbar region to allow considerable movement; consists of anulus fibrosus and nucleus pulposus
Term
anulus fibrosus
Definition
laminated fibrous ring
Term
nucleus pulposus
Definition
central amorphous, gelatinous center; remnant of the embryonic notochord
Term
interspinous ligaments
Definition
connect adjacent spinous processes with the fibers decussating to form an X
Term
intertransverse ligaments
Definition
pass between adjacent transverse processl very poorly developed in thoracic; best developed in lumbar region
Term
interarcuate/yellow ligaments or ligaments flava
Definition
between arches of adjacent vertebrae; elastic structure facilities vertebral column movement
Term
capsular ligament of interneural joint
Definition
encapsulates articular processes of adjacent vertebrae
Term
intercapital/conjugal/intra-articular
Definition
joins together the vertebral heads of left and right rib; attaches to the grove that separates the two facets of the head; precluded herniation of pulpy nucleus; absent between first and last two pairs of ribs
Term
ligament of head/radiate ligament
Definition
passes from the head of the rib to intervertebral discs or vertebral bodies; reduced in last few ribs
Term
ligament of the neck
Definition
neck of the rib to the ventral surface of the transverse process and adjacent area; reduced in last few ribs
Term
ligament of tubercle/dorsal costotransverse ligament
Definition
tubercle of the rib to the transverse process of vertebra; strongest ligament attaching rib to vertebra
Term
alantoaxial joint
Definition
between atlas and axis, lateral movement
Term
atlanto-occipital joint
Definition
between atlas and occipital; vertical movement
Term
intervertebral joint
Definition
between the bodies of adjacent vertebrae with the intervertebral disc interposed
Term
interneural joint
Definition
between articular processes of adjacent vertebrae; articular surfaces called facets
Term
costovertebral joints
Definition
between rib and vertebrae
Term
costocentral joint
Definition
between costal head and two facets
Term
costotransverse joint
Definition
facent on the tubercle of the rib and transverse fovea of vertebra
Term
conus medularis
Definition
rounded tip lumbar/sacral region
Term
cauda equina
Definition
mass exit of spinal nerves
Term
dorsal root
Definition
afferent; in; sensory
Term
ventral root
Definition
efferent; out; motor
Term
ganglion
Definition
collection of nerve cell bodies
Term
reflex arch
Definition
not process, flows in dorsal root then out ventral root
Term
tracheal trunk
Definition
lymph vessel to head/neck
Term
lymph enters blood at
Definition
before right atrium
Term
dorsoscapular ligament
Definition
only in horse; fasial planes to spinous processes in thoracic & lumbar; shock-absorbing mechanism of limbs
Term
cartoid sheath
Definition
cylinder of fascia lateral to trachea; conducts important vessels
Term
tunica flava abdominins
Definition
connective tissue layer over lateral surface of body wall
Term
dorsoscapular ligament
Definition
horses only; medial surface of scapula; divides into 3 laminae
Term
attenuation scale of radiographs
Definition
air;fat;water;bones;metal
Term
radiopacity
Definition
the whiteness on a film
Term
radiolucency
Definition
the blackness on a film
Term
differential density interface
Definition
objects of different attenuation are easy to make out
Term
silhouette sign
Definition
when object of same density is in contact; margins/ individual objects indistinguishable
Term
summation effect
Definition
radiographic densities are additive
Term
costoabdominal
Definition
nerve T13
Term
iliohypogastric
Definition
nerve L1
Term
ilioinguinal
Definition
nerve L2
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