Hipofiza Flashcards

1
Q

Localizare

A

La baza creierului, in saua turceasca a osului sfenoid, in spatele chiasmei optice

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2
Q

Hormoni adenohipofizari

A

Glandulotropi: TSH, ACTH, LH, FSH

Non-glandulotropi: STH, LTH(prolactina)

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3
Q

Hormoni secretati de lobul mijlociu

A

MSH (melanocitostimulator)

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4
Q

Hormoni neurohipofizari

A

ADH, ocitocina

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5
Q

Disfunctii hipofizare

A

Diabetul insipid - hiposecretia de ADH - poliurie, polidipsie, hipotensiune
Nanism hipofizar - hiposecretia de STH la copil - talie redusa, dezvoltare fizica redusa dar armonioasa, dezvoltare psihica normala
Casexie hipofizara - hiposecretia de STH la adult
Gigantism - hipersecretia de STH la copil - crestere exagerata in inaltime (peste 2m)
Acromegalia - hipersecretia de STH la adult - crestere exagerata a mainilor, a oaselor fetei, a mandibulei si a unor viscere

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