ANATOMY OF DIGESTIVE SYSTEM

ANATOMY OF DIGESTIVE SYSTEM


ALIMENTARY 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