DIGESTION AND ABSORBTION Flashcards

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1
Q

Digestive system is also known as

A

gastro intenstinal tract

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2
Q

path of digestive system

A

(anterior) mouth —–> phyranx—-> oesophagus ——-> stomach ——> small intenstine —-> large intenstine —–> colon
- –>rectum —-> anus(posterior)

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3
Q

what comprise buccal cavity ?

A

buccal vestibule + main oral cavity

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4
Q

what is buccal vestibule

A

space between checks and gums

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5
Q

role of buccal vestibule

A

salivary glands are only present here

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6
Q

so where the ducts of salivary glands present

A

main oral cavity / oral cavity proper

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7
Q

what buccal cavity contain?

A

teeth and tongue

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8
Q

types of dentition in humans

A

thecodont ,heterodont ,diphyodont

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9
Q

what is thecodont

A

type of dentition in which teeth are embeded in socket of jaw bone

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10
Q

what is heterodont

A

4 type of teeth INCISORS, CANINES , PREMOLARS AND MOLARS

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11
Q

WHICH type of teeth are not in primary dentiton

A

premolars

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12
Q

what is diphyodont

A

2 sets of teeth during life

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13
Q

which type of 2 sets of teeth are there in diphyodont

A
milk teeth( 20  in no.)
permanent teeth (32 in no.)
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14
Q

what is teeth are absent in milk teeth

A

premolars

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15
Q

what are adult teeth

A

in which decideous teeth are replaced by new set of teeth

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16
Q

teeth in diphyodont

A

I, C , 1 & 2 molar

17
Q

teeth in monophydont

A

3 rd M and premolars

18
Q

I C PM & M are for

A

cutting , tearing and grinding (last2) respectively

19
Q

dental formula of adult

A

I C PM M
2 1 2 3
————————– *2 = 32
2 1 2 3

20
Q

DENTAL formula of child

A

I C PM M
2 1 0 2
—————– *2 = 20
2 1 0 2

21
Q

dental formula of teen

A

I C PM M
2 1 2 2
———————*2 = 28
2 1 2 2

22
Q

Part of teeth out in mouth

A

crown

23
Q

what is enamel ?

A

enamel is hard chewing surface of teeth for mastication of food

24
Q

cells in enamel

A

amleoblast cells

25
Q

cells of dentine

A

odontoblast cells

26
Q

teeth are joined to root via

A

cementum

27
Q

tongue is attached to where and via what?

A

attached to floor of oral cavity

via FRENULUM

28
Q

is tongue voluntary or involuntary

A

voluntary

29
Q

bone connected to one side of tongue

A

hyoid bone

30
Q

papillae in tongue

A

circum vallate
filiform papillae
fungiform papillae

31
Q

taste buds are absent / devoid in

A

filiform papillae

white in color

32
Q

taste buds are present in

A

fungiform papillae

33
Q

papillae are present where

A

upper surface of tongue

34
Q

what is PHARYNX

A

COMMON passage of food and air