Ukuphila okuvamile komuntu kubaluleke kakhulu ukuthi imikhiqizo ye-metabolism ithathwe. Ngakho-ke, izitho ze-urinary system zibalulekile. Omunye wabo - isambiso - esesithombeni esincane ngemuva kwethambo le-pubic. Ukuma nokuphakama kwalo kuyahlukahluka kuye ngokuthi ngabe kugcwele noma kungenalutho. Wonke umuntu anganquma ukuthi isiphi isifiso, ngoba emva kokugcwalisa kunzima ukumelana nesifiso sokuvuthwa. Lesi sitho sisebenza njengamanzi omchamo, angena kuwo kusukela ezinsweni. Uma igcwele, ingahle ifakwe kwisigaba esingaphansi kwesisu.
Uphi isisu esikhona?
Lesi sitho ngesimo sifana nepeyari, eqondiswa kancane kancane phambili nangaphansi. Ingaphansi yesithombeni, kancane kancane iminyene, idlula ngaphakathi kwe-urethra - i- urethra . Futhi isihloko saso sixhunywe nodonga lwangaphakathi lwesisu ngegament lomlomo. Indawo yesikhumba kubesifazane namadoda akufani kakhulu. Itholakala ngokuqondile ngemuva kwethambo le-pubic, elihlukanisiwe nalo ngqimba lwezingcubu ezixhumene nazo. I-surface yangaphakathi-yangaphakathi ixhumana nezinye izingxenye zamathumbu amancane.
Ingxenyeni yangemuva yesisu kubesifazane ithinta isisu nesisu, futhi emadodeni - nge-vesicles nesisindo somzimba. Lapha kukhona izicubu ezixhumene nazo, lapho kunezindlela eziningi zegazi. Engxenyeni engezansi yesambatho, amadoda ane-prostate, futhi kwabesifazane kukhona imisipha yomzimba we-pelvic. Umehluko phakathi kwesakhiwo sezingxenye zesistimu ye-urinary kuzo futhi nokuthi amadoda ane-urethra ende.
Kulaba besifazane, leli lungiselelo lesikhumba lingadala izinkinga ezithile. Isibonelo, i-urethra emfushane iholela kuma- cystitis amaningi . Izinkinga ikakhulukazi zivela ngesikhathi sokukhulelwa. Lokhu kungenxa yokusondela kwesibeletho nesinye isisu.
Ukuze kusetshenziswe kahle uhlelo lwe-urinary, akwanele ukwazi ukuthi isisindo sitholakala kuphi. Udinga ukuqonda ukuthi isebenza kanjani. Kumuntu omdala, lesi sitho singabamba ama-milliliters angama-700 kagesi. Lapho kugcwaliswa izindonga zayo. E-peritoneum kunezindawo ezikhethekile ezigcwalisa isilwane esikhulisiwe. Lokhu kungenxa yokuthi i-urethra ivaliwe ama-sphincters amabili, alawula ukuphuma komchamo.