prise alimentaire Flashcards

1
Q

reflux gastro œsophagien

A

défaut de fermeture du sphincter entre estomac/œsophage

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2
Q

phase céphalique

A

infos nourriture –> hypothalamus –> n.X par faisceaux cholinergiques –> secretion 20 acides

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3
Q

quantité secrétions acides phase céphalique

A

20%

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4
Q

quantité secrétion acides phase gastrique

A

80%

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5
Q

cholysystékine

A

inhibe sécrétion acide

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6
Q

sécrétine

A

 Produite par les cellules S de l’intestin
 Stimulées par l’arrivée du bol alimentaire
 Inhibe la sécrétion acide

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7
Q

forme ulcère

A

Sporadique (commune)

 Gastrinome (rare)

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8
Q

Antre

A

Pas de cellules productrices

d’acide

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9
Q

Fundus

A

Présence d’énormément de

cellules productrices d’acide

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10
Q

Cellules pariétales

A

Produisent des ions H+

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11
Q

Cellules à pepsinogène

A

Produisent un certain nombre d’enzymes

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12
Q

Cellules à mucus

A

Mucus

gradification du pH

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