DIGESTION AND ABSORBTION Flashcards
Digestive system is also known as
gastro intenstinal tract
path of digestive system
(anterior) mouth —–> phyranx—-> oesophagus ——-> stomach ——> small intenstine —-> large intenstine —–> colon
- –>rectum —-> anus(posterior)
what comprise buccal cavity ?
buccal vestibule + main oral cavity
what is buccal vestibule
space between checks and gums
role of buccal vestibule
salivary glands are only present here
so where the ducts of salivary glands present
main oral cavity / oral cavity proper
what buccal cavity contain?
teeth and tongue
types of dentition in humans
thecodont ,heterodont ,diphyodont
what is thecodont
type of dentition in which teeth are embeded in socket of jaw bone
what is heterodont
4 type of teeth INCISORS, CANINES , PREMOLARS AND MOLARS
WHICH type of teeth are not in primary dentiton
premolars
what is diphyodont
2 sets of teeth during life
which type of 2 sets of teeth are there in diphyodont
milk teeth( 20 in no.) permanent teeth (32 in no.)
what is teeth are absent in milk teeth
premolars
what are adult teeth
in which decideous teeth are replaced by new set of teeth
teeth in diphyodont
I, C , 1 & 2 molar
teeth in monophydont
3 rd M and premolars
I C PM & M are for
cutting , tearing and grinding (last2) respectively
dental formula of adult
I C PM M
2 1 2 3
————————– *2 = 32
2 1 2 3
DENTAL formula of child
I C PM M
2 1 0 2
—————– *2 = 20
2 1 0 2
dental formula of teen
I C PM M
2 1 2 2
———————*2 = 28
2 1 2 2
Part of teeth out in mouth
crown
what is enamel ?
enamel is hard chewing surface of teeth for mastication of food
cells in enamel
amleoblast cells
