A urinary tsarin

Urinary tsarin aikin da aiki na cire gubobi, maras so, cutarwa mahadi a cikin jiki, yayin da rike dole adadin ma'adinai salts da kuma ruwa. Wannan abu da aka gane ta kafa a kodan a cikin fitsari wasu girma da kuma a wani taro.

A tsarin da urinary tsarin.

Da tsarin kunshi gabobin cewa zai fito da fitsari (koda), da kuma deducing da tattara fitsari excreted (mafitsara, mafitsara, da ureter).

Kodan suna located a cikin sarari a baya da peritoneum a garesu daga cikin kashin baya, suna a cikin nau'i na wake. A bar koda yake dan kadan fi dama. A babba gefuna biyu jiki kusa da kashin baya, kasa - suna m.

A koda ayyana ƙananan kuma babba iyakacin duniya, ciki da kuma m baki. A tsakiyar ciki gefen ƙofa located (zurfafa). Ta hanyar su, da dalĩli hada da jijiyoyi da jijiyoyi, ureters suna located, lymphatics, Vienna. A sa na data abubuwa kafa da na koda pedicle.

Adipose kwantena harsashi da kansa connective nama fascia kewaye kowane koda. A koda abu kunshi biyu yadudduka - kwakwalwa da kuma bawo. A farko da aka wakilta goma sha biyu - goma sha biyar raka'a a wani mazugi siffar. Suna da ake kira da pyramids. Cortical abu seeps tsakanin makwabta pyramids. Cortical Layer yana da wani kauri daga hudu zuwa goma sha uku millimeters.

Urinary tsarin yana da dama kullum sunadaran.

The adadin ruwa dauke a cikin jiki rinjayar da taro na fitsari. An wuce kima adadin ruwa inganta hanawa na pituitary saki na antidiuretic hormone (Adh), iko da sha na gishiri da ruwa. Lokacin da kasa ruwa m m ilimi na musamman (osmoreceptors). A wannan yanayin, Adh saki a cikin jini, wanda inganta reabsorption na (reuptake) na ruwa.

Urinary tsarin aikin da fitsari tukar tumbi da ruwa, gishiri, uric acid, urea. A kasafi na wadannan aka gyara an samar da hanyar huhu, fata, hanjinsu, salivary gland, duk da haka, maye gurbin kodan ba su iya.

Da samuwar fitsari, ciki har da mataki na tace ruwa daga jini, mugunya, kuma reabsorption, sanya nephrons (bijiro da batun kafa sassa na koda nama). Kowane nephron suna koda (Malpighian) maraƙi samar da tacewa tsari, da kuma urinary ducts. Taurus da aka wakilta wani biyu-garu hemispherical kwano. A rata tsakanin ganuwar ta rufe capillary glomerulus. Daga cikin Ramin ma ya zo tubule.

Intravascular matsa lamba (70-90 mm. Hg. V.) ingantawa da infiltration na ruwa kashi na jini a cikin kwantena nephron. Wannan tsari shine ake kira tace leaked ruwa, bi da bi, da ake kira "filtrate" (primary fitsari).

Urinary tsarin Forms filtrate kunsha da gaske na ruwa. primary fitsari taro na low kwayoyin abubuwa ne kamar guda a matsayin cewa a cikin jini. Lokacin da inganta filtrate na tubules, abun da ke ciki ne kullum canja a sakamakon shi ya zama karshe fitsari. Fitsari girma ne a kan talakawan daya da rabi lita rana.

Urinary tsarin kuma ya hada da a cikin tsarin da mafitsara. Wannan jiki ya yi aikin aiki na jari na fitsari. A jikin bango ne mai iko tsoka daina kai hare hare. By rage ƙarar ta rami kumfa tayi. A ureteral orifices, ciki bude daga cikin mafitsara ne sphincter (detrusor). Sun tsara kwarara daga fitsari.

Don kasa na mafitsara fit shambura (ureters).

Tukar tumbi da fitsari fita ta hanyar mafitsara, da barin cikin mafitsara.