Vertebral Column - General Flashcards
Vertebra
singular
vertebrae
multiple
axial skeleton
vertebral column and rib cage
appendicular skeleton
girdle and limbs
the skull meets the spine where?
occipital bone via the occipital condyle
The vertebral column is composed of a series of _________ bones
unpaired bones
Cervical vertebrae # (all species)
7
Thoracic vertebrae carnivores
12-14
lumbar vertebrae carnivores
6-7
sacral vertebrae carnivores
3
caudal vertebrae carnivores
20-23
Which section of vertabrae shows a large variation among species?
caudal vertebrae
functions of vertebral column
provides attachment for ribs and back muscle, supports trunk, carries skull, protects spinal cord
flexion is the contraction of what muscle
hypaxial
extension is the contraction of what muscle
epaxial
What are the different regions of the vertebrae?
cervical, thoracic, lumbar, sacral, caudal
What kind of bone is the vertabrae?
irregular
each vertebral body has what?
convex cranial and concave caudal extremity
the vertebral body is covered by what?
hyaline cartilage
what is in between adjacent vertebra?
intervertebral fibrocartilaginous discs
the ventral surface carries the ______. And _____ in size in different regions.
ventral crest, varies