Axial Skeleton: Vertebrae Flashcards
The vertebral canal is where the ____ runs
Spinal cord
Dorsal or ventral projections from the vertebrae
Spinous process
Lateral projections of the vertebrae
Transverse process
Vertebrae “connected” by
Disks (cartilage)
5 regions of the vertebral column
C- cervical T- thoracic L- lumbar S- sacral Cd- coccygeal or caudal
There is no disk between
C1 and C2
C1 is also called the
Atlas
C2 is also called the
Axis
Vertebrae that articulate w ribs
Thoracic vertebrae
Vertebrae that articulates w the tuber sacrale of ilium
Sacral vertebrae
The outer rings of a vertebrae disk
Annulus fibrosus
The inner portion of a vertebrae disk
The nucleus pulposus
When the central part of a disk dries out, the outer portion cracks or tears, movement causes a split of outer portion and inner pushes out
Herniated disk
Number of ribs = number of
Thoracic vertebrae
Ventral portion of the ribs is made of
Why?
Cartilage (costal cartilage)
Helps w expanding of chest when breathing