Excretia la animale Flashcards

(23 cards)

1
Q

Care este produsul principal de excretie la animale?

A

Urina.

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2
Q

Din ce este format sistemul excretor?

A

Rinichi si cai urinare.

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3
Q

Cum sunt organizati rinichii?

A

In perechi, de o parte si alta a coloanei vertebrale

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4
Q

De ce sunt inveliti rinichii?

A

De o capsula fibroasa

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5
Q

Ce se afla sub capsula fibroasa catre exterior?

A

Zona corticala.

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6
Q

Ce se afla sub capsula fibroasa catre interior?

A

Zona medulara.

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7
Q

Din ce sunt formate cele 2 zone?

A

Din piramide renale.

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8
Q

Cu ce se continua piramidele renale?

A

Cu caile renale.

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9
Q

Unde se deschid caile renale?

A

In pelvisul renal.

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10
Q

Din ce mai sunt formati rinichii?

A

Din nefroni.

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11
Q

Ce sunt nefronii? Cati exista la om?

A

Unitati microscopice cu rol de filtrare a sangelui. Aprox. 2 milioane.

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12
Q

Din ce sunt alcatuiti nefronii?

A

Capsula Bowman, tub contort proximal s distal, Ansa Helne decend. si acendenta

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13
Q

ce adaposteste C.B.?

A

Un glam de capilare

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14
Q

Cum se numeste glamul de capilare?

A

Glamerul renal.

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15
Q

Unde se formeaza urina primara?

A

In Capsula Bowman.

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16
Q

Cu ce se continua C.B.?

A

Cu tubii ureniferi(Tubul contort proximal, ansa helne descend., ansa helne ascend., tub contort distal).

17
Q

Unde se deschid tubii ureniferi?

A

In tubul colector.

18
Q

In ce sunt inveliti tubii uriniferi?

19
Q

unde se formeaza urina finala?

A

In tubii uriniferi.

20
Q

Ce cantitate de urina este produsa zilnic?

21
Q

Unde se varsa urina finala?

A

In pelvisul renal.

22
Q

Din ce sunt formate caiile intrarenale?

A

Calice si pelvis renal.

23
Q

Din ce sunt formate caiile extraenale?

A

Din uretere, vezica urinara si uretra.