H. Antidiuretic Flashcards

1
Q

Ce rol are h. Antidiuretic (vasopresina)?

A

-stimuleaza reabsortia apei la nivelul tubului contort distal si colector al nefronului
-scade volumul urinar
-concentreaza urina
-in doze mari determina cresterea tensiunii arteriolare prin vasoconstrictie

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2
Q

Hiposecretia de h. antidiuretic

A

Determina diabetul insipid
-poliuria - eliminarea unor cantitati foarte mari de urina diluata
-polidipsie -ingestia unor cantitati mari de apa ,sete permanenta

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