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Skull:Medical Terms
There 8 individual bones of the cranium that are immovably united by sutures.
Term | Definition |
---|---|
cranium | The skull; that portion of the skull which encloses the brain |
frontal | Pertaining to the forehead or forehead bone |
parietal | Pertaining to the two bones that form most of the roof and upper sides of the cranium |
temporal | Pertaining to the temple or central sides of the cranium; of the two bones of the cranium located below and around each ear |
occipital | Pertaining to the back and most of the lower base of the skull |
sphenoid | Wedge-shaped; pertaining to the bat-shaped bone that extends behind the eyes, forming the anterior base of the cranium and part of each orbit |
ethmoid | Sieve-like, pertaining to the delicate bone that forms much of the internal nasal structure and part of each orbit |
suture | One of the jagged seams that unite the adjoining bones of the skull |
fontanel | A space located at the junction of the sutures in the skull of the infant. The fontanels are often called "soft spots" |
sinus | One of the eight air-filled cavities in the skull that communicate with the nasal cavity |