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Spine

TermDefinition
foramen The triangular hole within the vertebrae represents
axis Second vertebrae; allows the skull to rotate left and right
intervertebral disk Thin regions of cartilage between vertebrae that provide cushioning; Outer portion made of fibrocartilage that binds vertebrae together and allows flexibility for movement; soft inner portion acts as shock absorber
cervical vertebrae The first curve of the spine; thinnest most delicate vertebrae in the spine; function to allow flexibility for the neck, to protect the spinal cord
sacral vertebrae Fourth curve of the spine; single bone in adults that forms form the fusion of 5 vertebrae during adolescence
coccyx the tailbone; bears body weight when sitting; formed by the fusion of 3 to 5 vertebrae during adolescence
vertebral arch The lateral and posterior portion of the vertebrae
lumbar vertebrae The third curve of the spine that is composed of 5 vertebrae in the lower back; These are the largest of the vertebrae and bears the weight of the upper body; these bones function in protection of the spinal cord and in supporting the weight of the body
transverse process Thin columns of bones that point out to the left and right sides (lateral) of the body
spinous process Projects from transverse process in the posterior direction; one per vertebrae
atlas The first vertebrae (C1) that supports the head and allows for movement of the head up and down is the
vertebral foramen A hollow space that contains the spinal cord and meninges
body Weight-bearing region of the vertebrae that makes up bulk of the bone's mass; anterior portion of vertebrae
thoracic vertebrae Second curve of the spine; articulates with the ribs; stronger than cervical vertebrae, but not as strong as lumbar vertebrae; protects the spinal cord
sacrum the part of the spinal column that is directly connected with or forms a part of the pelvis
Created by: linneamstarr