CH 8: Cranial Elements
BONE VOCABULARY:
skull: the skeleton of the head consisting of the cranial bones and facial cavity
frontal bone: forms the anterior part of the forehead, the eye sockets, and is the base of the skull
parietal bone: the sides and roof of the cranium
temporal bone: lateral sides of the cranium
occipital bone: back of the skull
maxilla: upper jaw bone
mandible: lower jaw bone
sphenoid bone: lies at the middle part of the cranial base '
ethmoid bone: major superior supporting structure of the nasal cavity and forms an extensive surface area in the nasal cavity.
process: bony outgrowth of a larger bone
fontanelles: connect cranial bones
SUTURE VOCABULARY:
SUTURE: is an immovable fibrous joint (in most cases in an adult skull) that holds most skull bones together.
coronal suture: between the parietal and frontal bones
sagittal suture: unites two parietal bones on the superior midline of skull
lambdoid suture: unites the two parietal bones to the occipital bone
squamous suture: unite the parietal bone and temporal bones