autres glandes Flashcards

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1
Q

structure thyroide

A

2 lobes
face antérieure de trachée
sphère creuses (follicules) qui stockent hormones

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2
Q

hormones produites thyroide

A

calcitonine
T3
T4

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3
Q

calcitonine

A

sécrétée si +++ [Ca 2+]
—- [Ca 2+]
effet antagoniste de parathormone

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4
Q

T3 et T4

A

métabolisme

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5
Q

parathyroïdes

A

sécrète parathormone (PTH)
si baisse Ca 2+
fait ++++ Ca 2+

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6
Q

pancréas

A

glandes amphicrines
acinus
îlots pancréatiques

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7
Q

acinus

A

cellules exocrines
sécrètent le suc pancréatique

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8
Q

îlots pancréatiques

A

cellules endocrines
alpha: glucagon
bêta: insuline

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9
Q

glandes surrénales

A

en temps de stress
médulla surrénale (catécholamines)
cortex surrénal (corticostéroïdes)

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