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ANATOMY OF DIGESTIVE SYSTEM
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Lecture notes of 5 pages for the course anatomy at Harvard University (read this!)
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ANATOMY OF DIGESTIVE SYSTEMALIMENTARY CANAL – OPEN TRACT OF MAJOR ORGANS THROUGH WHICH FOOD
TRAVELS
MOUTH
PHARYNX
ESOPHAGUS
STOMACH
SMALL INTESTINE
LARGE INTESTINE
ANAL CANL
ACCESSORY ORGANS - ORGNAS THAT AIDE IN DIGESTION PROCESS
SALIVARY GLANDS
TONGUE
TEETH
LIVER
GALLBLADDER
PANCREAS
VERMIFORM APPENDIX
MOUTH/ORAL CAVITY – BEGINNING OF ALIMENTARY CANAL
3MAJOR PAIRS SALIVARY GLANDS – SECRETE 1 LITER OF SALIVA PER DAY
PAROTID – LARGEST
SUBMANDIBULAR – WHARTON DUCTS BESIDES FRENULUM
SUBLINGUAL – BELOW FLOOR OF THE MOUTH
, TEETH
USED FOR MINIFESTICATION / CHEWING – INCREASES SURFACE AREA OF
FOOD FOR MORE ENZYME ACCES
DECIDOUS BABY -TEETH 20
PERMANENT – ADULT 32
INCISORS BITE INTO FOOD
CANINES /CUSPIDS TEAR
PREMOLARS GRIND AND CRUSH
MOLARS GRIND AND CRUSH
3 MAIN PARTS OF TOOTH
1 CROWN – EXPOSED TOP COVERED WITH
ENEMEL 97% CALCIFIED MATERIAL
DENTIN – SOFTER , MORE ELASTIC THAN ENAMEL YELLOW
2.NECK – NARROW SURROUNDED BY GUMS AND CEMENTUM
3. ROOTS – FITS INTO JAWS ANCHORS TOOTH SURROUNDED BY CEMENTUM
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