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physiologie > digestion > Flashcards

digestion Flashcards

1
Q

Sympatique: effet sur secretion + motricite

A

-

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2
Q

ParaS: secretion + motricite

A

+

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3
Q

Sympatique contient: …

A

T1-L3

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4
Q

ParaS contient ….

A

S2-S4, X, IX, vague

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5
Q

S paraS: pre g et post g

A

longue

courte

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6
Q

NT de paraS:

A

Ach

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7
Q

Sympatique: pre et post

A

courte + longue

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8
Q

NT de sympatique:

A

Ach - courte

Adrenaline - longue

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9
Q

distance entre P1 et P2:

A

5 cm

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10
Q

P1 et sphincter: distance

A

3 cm

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11
Q

Peristaltisme est entierement assure par

A

noyau dorsal du vague X

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12
Q

Diaphragme a fonction de

A

pince

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13
Q

1/3 pour fibres musculaires

A

striees

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14
Q

1/3 moyen fibres musc

A

mixtes

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15
Q

1/3 < -

A

fibres musculaires lisses

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16
Q

relachement de SSO est

A

bref

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17
Q

onde primaire est solicitee

A

par la deglutition

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18
Q

Onde 2aire n’est pas solicitee par

A

la deglutition de depart oesophagien

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19
Q

tonus basal est egal au

A

15-30 cm H2O

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20
Q

onde tertiaire est dit

A

onde de contraction stationnaire

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21
Q

SIO quand relache lentement: temps

A

10 s

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22
Q

On dit que Camille a reflux gastro-oesophagien, si temps avec pH<4 est

A

> 10% du temps total

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23
Q

pour les solides:

ondes …

A

I et II

Gravite

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24
Q

pour les liquides:

A

onde propulsive I - estomac

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25
Q

cardia -> ….. -> corps

A

fundus

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26
Q

corps -> …. -> pylore

A

antre

27
Q

vidange est …. vers intestin grele

A

lente

28
Q

innervation efferente est essentiellement

A

parasympathique

29
Q

Couche externe est

A

longitudinale ____

30
Q

couche mOyenne est

A

circulaire OOOO

31
Q

couche interne est

A

oblique

32
Q

l-> c->o-> …

A

muscularis mucosae

33
Q

il y a … types d’ondes gastriques

A

3

34
Q

1 onde gastrique

A

lente non propulsive

amplitude faible

35
Q

1 onde g - role

A

maintien de tonus

36
Q

2 onde g

A

moyenne A

5-10 cm H2O

37
Q

2 onde est

A

propulsive

38
Q

3 onde g a

A

grande amplitude

39
Q

onde 3 a …frequence

A

rare

40
Q

3 o g: cm H2O

A

> 30

41
Q

onde type 2: role

A

brassage

42
Q

diametre de sphincter depend de

A

signaux humoraux + nerveux

43
Q

effet excitateur

A

gastrique

44
Q

effet inibiteur

A

duodenale

45
Q

inhibition duodenale: 3 afferences

A

centres paraS, ganglions S, plexus myenterique

46
Q

efference : duodenale

A

inhibe contractions propulsives antrales

47
Q

efferences de s paraS, S, plexus myenterique:

A

augmentent tonus du sphincter pylorique

48
Q

duodenum: bloque

A

gastrine

49
Q

Cholécystokinine CCK

A

retrocontrole—-

synthetisee par muqueuse duodenale DD

50
Q

secretine: secretee

A

muqueuse duodenale

51
Q

secretine: est

A

anti secreteur

52
Q

PIG est

A

peptide inhibiteur gastrique

53
Q

on augmente acidite + osmolarite du chyme duodenale par

A

effet inhibiteur origine DD

54
Q

vidange gastrique depend de

A

quantite de chyme que intetin peut traiter

55
Q

Fungus + Corps donnent

A

glandes gastriques

56
Q

antre a glandes

A

pyloriques

57
Q

glandes gastriques: 4

A

c epitheliale
c muqueuse de surface
c parietale
c principale

58
Q

c epitheliale de fundus + corps

A

forme muqueuse gastrique

59
Q

c muqueuse de surface -

A

mucus protect

60
Q

c parietale:

A

secrete HCl

61
Q

c principales:

A

pepsinogene

62
Q

mucus est

A

alcalin

63
Q

glandes pylore:

A

epitheliale
muqueuse
cellule G - gastrine
chromafines - histamine

physiologie (2 decks)

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