stomach physio Flashcards

1
Q

neurocrine regulation

A

GRP

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2
Q

paracrine regulation

A

histamine

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3
Q

peptide hormones

A

gastrin (Gcell), somatostatin (Dcell)

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4
Q

parietal cells release

A

intrinsic factor, HCL

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5
Q

chief cells release

A

pepsinogen

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6
Q

what increases parental activity

A

histamine, gastrin, ACH

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7
Q

what activate G cells

A

AA/peptides and stretching (GRP)

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8
Q

what inactivates G cells

A

somatostatin (from D cells… active with high H+)

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9
Q

gastrin acts on what cells

A

parietal, cheif, ECL

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10
Q

ECL cells release what

A

histamine

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11
Q

cephalic phase hormone activation

A

ach and gastrin (both vagus nerve!)

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