NUR1 235 Lecture Notes - Lecture 7: Bony Labyrinth, Herpes Labialis, Stapes
7 Nov 2017
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Functional anatomy: head: skull provides protection to the brain and special sense organs, comprised of cranial and facial bones. Joint at sutures: coronal, sagittal, lambdoid: at birth, sutures are further apart, forming fontanelles ossification occurs in early childhood, sunken fontanelles occur when child is dehydrated. Cranium supported by the cervical vertebrae (c1-c7: c1: atlas, c2: axis, c7: site of vertebral prominens. Functional anatomy: face: facial structures are more or less symmetrical, 14 facial bones: 12 bones are paired, plus mandible and vomer (nasal septum) Mandible can move up, down and sideways from the temporomandibular joint a hinge joint. People who clench their jaw have crepitus or clicking at the mandible: salivary glands: exocrine glands that produce saliva uric acid can cause blockages in the salivary glands. Sublingual glands (where the thermometer goes: expressions are controlled by facial muscles, enervated by cranial nerve vii (facial nerve) Cn vii is also responsible for taste.
