Lesson 4.2 Flashcards
Atlas
the first cervical vertebra, specialized to provide the connection between the occipital bone of the skull and the spinal column.
axial skeleton
central, stable portion of the skeletal system. Consisting of the skull, spinal column, and thoracic cage.
Axis
the second cervical vertebrae, specialized with an upward vertical projection. called the odontoid process. On which the atlas rotates.
cervical region
the first 7 vertebrae comprising of the neck.
coccyx
four fused vertebrae at the base of the spine forming the tailbone.
cranium
fused, flat bones surrounding the back of the head.
facial bones
bones of the face
fontanel
openings in the infant skull through which a baby’s pulse can be felt; these openings enable compression of the skull during birth and brain growth during late pregnancy and early infancy.
intervertebral discs
fibrocartilaginous cushions between vertebral bodies that allow bending of the spine and help to create normal spine curves.
lumbar region
low back region of the spine composed of the five vertebrae
mandible
jawbone
maxillary bones
two fused bones that form the upper jaw, house the upper teeth, and connect all other bones of the face, with exception to the mandible
process
an outgrowth or projection on a bone or other body tissue
sacrum
five fused vertebrae that form the posterior of the pelvic girdle.
skull
the part of the skeleton composed of all the bones of the head.
