EXCI 254 Lecture 1: Lecture 1

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Bones of the cranium and facial bones. We"ll (cid:271)e looki(cid:374)g at sutures, si(cid:374)uses (hollow parts of bone), and fossae. Ossification: flat bones get into intramembraneous ossification. Bones of the face go thrugh endochondral ossification. Calvarium: skull cap , includes all of the bones ___________ There"s (cid:1006) si(cid:374)uses, hollo(cid:449)i(cid:374)g out of the (cid:271)o(cid:374)e, . If there"s a(cid:374) i(cid:374)fla(cid:373)(cid:373)atio(cid:374) i(cid:374) a si(cid:374)us, it (cid:272)ould dull our heari(cid:374)g a little (cid:271)it. Frontal with parietal bone coronal suture. These little spicules allow a bit of movement. We have 2 condyles that will articulate with c1(atlas) and c0, synovial joint. There may be an extra suture in the middle or from lambdoidal suture wormian bone. May be large or small, like an extra bone. Foramen magnum base of the brain. We see spinal cord and meninges, coverings of the brain go through this and cover spinal cord. H(cid:455)poglossal (cid:272)a(cid:374)al, just (cid:271)(cid:455) the (cid:272)o(cid:374)d(cid:455)les o(cid:374)e a(cid:272)h side. That"s here (cid:1005)(cid:1006)th cranial nerve will exit the skull.

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