Sistemul excretor Flashcards

1
Q

Ultrafiltrarea glomerulara

A

=trecerea plasmei sangvine prin membrana filtranta in tubul urinifer
=>urina primara (plasma deproteinizata)

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2
Q

Reabsorbtia tubulara

A

substantele utile trec din tubul urinifer in capilarele peritubulare

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3
Q

Secretia tubulara

A

substantele toxice trec din capilarele peritubulare in tubul urinifer

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4
Q

Eliminarea urinei

A

Urina finala (nefroni) -> cai intrarenale -> bazinet -> uretere -> vezica urinara -> uretra

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5
Q

Boli ale sistemului excretor

A

Nefrita - infectii microbiene sau virale - dureri lombare, febra, edeme, tulburari urinare
Cistita - infectii microbiene provenite de la rincihi sau de la uretere - dureri la niv. vezicii urinare, hematurie, urina tulbure

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