GI review (basics)

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Author:
schulichbeliever
ID:
61909
Filename:
GI review (basics)
Updated:
2011-01-25 09:28:02
Tags:
med school 4th year GI
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Description:
from GI at a glance
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  1. name the type of bone that teeth insert into
    alveolar bone
  2. innervation of the muscles of mastication
    • trigeminal (v)
    • facial (vii)
  3. name the muscles of mastication
    • masseter
    • pterygoid muscles
    • buccinator
    • orbicularis ori
    • temporalis
  4. define the vermillion border
    the junction at the lips of non-cornified stratified squamous epithelium of the inside of the mouth with skin
  5. number of 'milk teeth'
    20
  6. number of permanent teeth
    32
  7. describe angular stomatitis
    nutritional deficiency (esp. B vitamins and iron) causes fissures at the edge of the mouth
  8. name the salivary glands
    • parotid
    • submandibular
    • sublingual
  9. 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
  10. salivary secretion is under ____ control
    autonomic
  11. xerostomia
    dry mouth
  12. composition of saliva
    • water
    • mucins
    • alpha-amylase
    • antibacterial enzymes
    • immunoglobulins

    (hypotonic, alkaline fluid rich in calcium and phosphate)
  13. causes of xerostomia
    • anticholinergic drugs (most common)
    • Sjogren's syndrome
    • sarcoidosis
  14. mumps virus preferentially attacks...
    • salivary glands
    • pancreas
    • ovaries
    • testicles

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