GI review (basics)

name the type of bone that teeth insert into

alveolar bone
innervation of the muscles of mastication
- trigeminal (v)
- facial (vii)
name the muscles of mastication
- masseter
- pterygoid muscles
- buccinator
- orbicularis ori
- temporalis
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'

20
number of permanent teeth

32
describe angular stomatitis

nutritional deficiency (esp. B vitamins and iron) causes fissures at the edge of the mouth
name the salivary glands
- parotid
- submandibular
- sublingual
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

autonomic
xerostomia

dry mouth
composition of saliva
- water
- mucins
- alpha-amylase
- antibacterial enzymes
- immunoglobulins
(hypotonic, alkaline fluid rich in calcium and phosphate)
causes of xerostomia
- anticholinergic drugs (most common)
- Sjogren's syndrome
- sarcoidosis
mumps virus preferentially attacks...
- salivary glands
- pancreas
- ovaries
- testicles

Author

schulichbeliever

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GI review (basics)

Description

from GI at a glance

Updated

2011-01-25T14:28:02Z