Lecture 10 (Vertebral column, ribs, sternum)
cranial articular process
what part of the cervical vertebrae is this? *C3-C6
double transverse process
what part of the cervical vertebrae is this? *C3-C6
median crest
what part of the cervical vertebrae is this? *C3-C6
spinous process
what part of the cervical vertebrae is this? *C3-C6
transverse foramen
what part of the cervical vertebrae is this? *C3-C6
caudal articular process
what part of the lumbar vertebrae is this?
cranial articular process with mamillary process
what part of the lumbar vertebrae is this?
spinous process
what part of the lumbar vertebrae is this?
transverse process
what part of the lumbar vertebrae is this?
angle of the rib
what part of the rib is this?
body of the rib
what part of the rib is this?
costal cartilage
what part of the rib is this?
costochondral junction/joint
what part of the rib is this?
head of the rib
what part of the rib is this?
neck of the rib
what part of the rib is this?
tubercle of the rib
what part of the rib is this?
caudal articular processes
what part of the sacrum is this?
cranial articular processes
what part of the sacrum is this?
dorsal sacral foramina
what part of the sacrum is this?
promontory
what part of the sacrum is this?
rudimentary articular process
what part of the sacrum is this?
spinous processes
what part of the sacrum is this?
ventral sacral foramina
what part of the sacrum is this?
vertebral canal
what part of the sacrum is this?
wing of the sacrum with auricular articular surface
what part of the sacrum is this?
Xiphoid process & cartilage
what part of the sternum is this?
body of sternum
what part of the sternum is this?
manubrium of sternum
what part of the sternum is this?
body with costal foveae *joins with the head of the ribs
what part of the thoracic vertebrae is this?
caudal articular process
what part of the thoracic vertebrae is this?
cranial articular process with mamillary process
what part of the thoracic vertebrae is this?
spinous process
what part of the thoracic vertebrae is this?
c) rib 13
"floating" ribs a) ribs 1-9 b) ribs 10-13 c) rib 13
ventral arch
identify this part of the atlas
wing of atlas
identify this part of the atlas
C7, T13, L7, S3, Cd20-23
what is the vertebral column formula for dogs?
lamina ventralis *for muscle insertion
what is this extra feature associated with C6?
caudal articular process
what part of C7 is this?
costal foveae *joins with the head of the first rib
what part of C7 is this?
cranial articular process
what part of C7 is this?
spinous process
what part of C7 is this?
transverse process
what part of C7 is this?
Alar notch
what part of the atlas is this?
fovea dentis
what part of the atlas is this?
lateral vertebral foramen
what part of the atlas is this?
transverse foramen
what part of the atlas is this?
wing of atlas
what part of the atlas is this?
caudal articular process
what part of the axis is this?
dens (odontoid process)
what part of the axis is this?
median crest
what part of the axis is this?
spinous process
what part of the axis is this?
transverse foramen
what part of the axis is this?
transverse process
what part of the axis is this?
caudal articular process
what part of the cervical vertebrae is this? *C3-C6
caudal thoracic aperture
[cranial/caudal] thoracic aperture
cranial thoracic aperture
[cranial/caudal] thoracic aperture
transverse foramen
identify this part of the atlas
+/- 20 caudal (tail) bones
how many caudal (tail) bones are there in the dog?
7 cervical (neck) bones
how many cervical bones are there in the dog?
7 lumbar (loin) bones
how many lumbar bones are there in the dog?
13 pairs of ribs
how many pairs of ribs are there?
3 sacral (croup) bones *this is technically only one bone because it's fused together
how many sacral bones are there in the dog?
13 thoracic (back) bones
how many thoracic bones are there in the dog?
c) C2
identify the structure labeled with the red arrow a) C1 b) T1 c) C2 d) T2
spinous process
identify the structure with the red circle
alar notch
identify this part of the atlas
dorsal arch
identify this part of the atlas
lateral vertebral foramen
identify this part of the atlas
10-13
provide the number for the "asternal" or "false" ribs
b) ribs 10-13
sternal or "false" ribs a) ribs 1-9 b) ribs 10-13 c) rib 13
a) ribs 1-9
sternal or "true" ribs a) ribs 1-9 b) ribs 10-13 c) rib 13
false - C7 does not have a transverse foramen
t/f: all cervical vertebrae (C1-C7) have a transverse foramen
atlas
the C1 is known as the [atlas/axis]
axis
the C2 is known as the [atlas/axis]
intervetebral disc
the _________ _________ is a fibrocartilage cushion that joins two vertebral bodies together // it is classified as a symphysis // it is formed by a fibrous ring with a central gelatinous mass or nucleus pulposus that act as a shock absorbing system
costal arch
the cartilages of the sternal ribs or "false" ribs combine to form the _______ _______
c) axis
the dens is a bony prominence of which cervical vertebra? a) atlas b) C3 c) axis d) C7
sternum
the first 9 ribs join directly with the ________
Dorsal longitudinal ligament *located ventrally to the vertebral canal
the joints of the vertebral column: what ligament is this?
Interspinous ligament
the joints of the vertebral column: what ligament is this?
Supraspinous ligament
the joints of the vertebral column: what ligament is this?
Ventral longitudinal ligament
the joints of the vertebral column: what ligament is this?
nuchal ligament *absent in cats *changes from the supraspinous ligament to the nuchal ligament after T1
the joints of the vertebral column: what ligament is this?
vertebrae *the caudal vertebrae is that with the same numerical designation *for example, rib 2 (R2) is between T1 and T2; however, it's numerical designation is associated with T2
the ribs (costae) are arranged in pairs and generally articulate with two successive ___________
vertebral canal
the summation of the vertebral foramina forms the _________ ________
articular processes (cranial & caudal) *the cranial articular process forms a synovial joint with the caudal articular process
this is a typical vertebra
lamina of arch
this is a typical vertebra
pedicle of arch
this is a typical vertebra
spinous process
this is a typical vertebra
transverse process
this is a typical vertebra
transverse process with a costal foveae *joins with the tubercle of a rib
what part of the thoracic vertebrae is this?
b) lumbar
what portion of the vertebral column is shown? a) cervical b) lumbar c) thoracic d) caudal
mamillary processes
what process are the blue lines indicating?
transverse processes
what process are the green stars indicating?
accessory processes
what process are the red stars indicating?
c) syndesmosis
what type of joint are the green lines indicating? a) sutures b) gomphosis c) syndesmosis d) synchondroses e) symphysis f) plane joint
f) plane joint
what type of joint is the blue circle indicating? a) sutures b) gomphosis c) syndesmosis d) synchondroses e) symphysis f) plane joint
e) symphysis
what type of joint is the red circle indicating? a) sutures b) gomphosis c) syndesmosis d) synchondroses e) symphysis f) plane joint
synovial joint: -pivot joint on the right image -plane joint on the left image
what type of joints are these? *each image contains a different type of joint