GI review (basics)
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name the type of bone that teeth insert into
innervation of the muscles of mastication
- trigeminal (v)
- facial (vii)
name the muscles of mastication
- pterygoid muscles
- orbicularis ori
define the vermillion border
the junction at the lips of non-cornified stratified squamous epithelium of the inside of the mouth with skin
number of 'milk teeth'
number of permanent teeth
describe angular stomatitis
nutritional deficiency (esp. B vitamins and iron) causes fissures at the edge of the mouth
name the salivary glands
innervation of the salivary glands
secretomotor parasympathetic from the salivary nuclei in the brain stem (facial - vii and glossopharyngeal - ix)
sympathetic nerves - from the cervical sympathetic chain
salivary secretion is under ____ control
composition of saliva
- antibacterial enzymes
(hypotonic, alkaline fluid rich in calcium and phosphate)
causes of xerostomia
- anticholinergic drugs (most common)
- Sjogren's syndrome
mumps virus preferentially attacks...
- salivary glands
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