Dundira

Dundira - negomba muviri ane sandara-kumativi chimiro uye akaiswa mukati pelvic mhango, zvakananga shure ari pubic symphysis. Zvinonzi inobva tsandanyama. Form, dundira ukoshi akachinja panguva richizadza uye nokuisa. Vakazadzwa Muviri peya-zvakaumbwa, akasiyana chikamu vatendeuki shure navanopfuura, yakamanikana - mberi uye pasi. Kuti vabudise dundira kwese cakes on the chimiro, mumwe confluence vose masvingo. Muviri inokwana 750 cubic cm. Hazvina zvakasiyana vakadzi nevarume.

Dundira. anatomi

Nhengo une dzakasiyana izvo zvinochinja kuva mumwe. The chikuru muviri mugove ndiyo dundira. Verhneperednyaya rusvingo anoumba muromo, izvo zvakajeka anomira kunze kwayo zvekupfakira. Dundira upwardly rinotsanangura medial shwashwa umbilicus riri obliterated Urinary mutsinga dzinofamba nemukaka. Pasi sefuro vakaumba akamudzora, izvo zviri varume chinotungamirwa kurutivi mugaranhoko uye nyinyo vakadzi. Anteroinferior mugove unoumba muviri mutsipa, pane yokutanga urethra (zvemukati).

Hwaro dundira rusvingo tsandanyama ane mvere mhando, mhango racho mudungwe aine cladding iyo ine slimy hunhu. Nhengo zvishoma kuchizvivanza connective tishu mumuhara. Gobvu tsandanyama rukoko inoumbwa matatu akaturikidzana: rokunze, pakati, rwomukati. Rokunze rukoko kunotangira kubva pubic symphysis, anoenda mu vachitevera mirayiridzo pamutsipa, uye ipapo anokotama kumativi ayo miromo pamusoro muviri. Anopa rectal-cystic tsandanyama kune runoenzanirana rukoko pamusoro mugaranhoko vakadzi vakaumba vesico-remuromo tsandanyama. A chikuru muviri nemamiriro ndiwo avhareji tsandanyama rukoko. It ane tenderera marongerwo. Pamutsipa anoumba munhu pulp yomukati mhasuru yacho urethra. The thinnest rukoko ndiro nechomukati, iyo inozivikanwa nokuva multidirectional fibers kutama. Ari zvakanaka kunyatsobudirira pakudzika muviri.

The dundira ane tsime kunyatsobudirira mucous rukoko. Iye inomiririrwa gobvu stratified squamous epithelium. The mucosa zvinosanganisira submucosa, iro rine fibrous zvinyama unobatanidza pezvakaita uye zvapararira gobvu fibers. Nokuda mamiriro vakaumba creases ichi kuti kutevera contours ari tsandanyama rukoko. Asi apo achizadza ivo yareba.

The nemamiriro dundira anoenderana yayo huru mabasa - kuunganidza kwaizotevera excretion kuti weti. Mariri, pane makomba matatu. maviri okutanga aimiririra miromo ureters, wechitatu - hwomukova urethra. Ivo riri Urinary Triangle, ndoupiko unonyanya shanduka uye ngadzirambe chikamu muviri. Pano, kuti mucous Kamudzira wakabatana zvakananga tsandanyama rukoko.

The mucous paiva kumashure pamuromo urethra of dundira zvikonzero rurimi, iyo anopinda muhomba. Peritoneum aoma anofukidza divi hukawanika muviri wayo uye zvachose verhnezadnyuyu chikamu. Unoenda musana pemvura iri dumbu vakadzi uye nevanhu - iri yakananga ura. The mugove pamberi riri zvakananga pasi pubic symphysis, apo akauzadzawo hunopfuura ichi chechetere. By pasi muviri hono chikamu pedyo kweprostate gland, seminal vesicles, chikamu vas deferens. Vakadzi panguva ino sandara ndiye cervix, kusangana nekutsi kwemukadzi rusvingo.

Chikamu Lower rutivi rusvingo muviri, riri preperitoneal, yakabatana pasi chiuno, kana zvizere - kuti obturator tsandanyama vakadzi ndiro kumativi shwashwa, kuti vas deferens muvarume.

Urinary nhengo unokosha nezvezvimwe zvinetso zvedundira, pasina iro hazvigoneki kuva chakaipa basa yose muviri. Kana kuputswa mashandiro ayo kwakakanganiswa dzose zvivako kwevanhu, saka zvakakosha nenguva chirwere uye kudzivirira zvirwere.