VBSC 421 - Lab Exam #2 (Axial)
What are the two vertebral regions that can be recognized in the shark? - ANS-Trunk
vertebrae
Caudal vertebrae
How can the two regions be distinguished? - ANS-caudal vertebrae has hemal arch that
protects caudal artery and caudal vein
List 2 modifications observed in the vertebral column of Necturus. - ANS-atlas
sacral
List the 5 regions of the vertebral column of the cat - ANS-cervical
thoracic
lumbar
sacral
caudal
5 types of vertebrae shapes based on centrum - ANS-amphicoelous
procoelous
opisthocoelous
acoelous
heterocoelous
Shape of shark vertebrae - ANS-amphicoelous
Shape of Necturus vertebrae - ANS-amphicoelous
Shape of cat vertebrae - ANS-acoelous
What is present between successive vertebrae of cat - ANS-intervertebral disc filled with
nucleus pulposus
3 functions of ribs - ANS-1. protect viscera
2. respiration
3. sites for muscle insertion
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