I-Vagina (isini), isisu, iibhubhu ze-fallopian kunye nama-ovari zizitho zangaphakathi zesini zowesifazane. Njengoko uqeqesho lubonisa, amaninzi amabhinqa ayayazi ulwazi oluchanekileyo malunga nesakhiwo senkqubo yesondo yabo yonke, okanye malunga nendlela i-vagina ehlelwe ngayo ngokukodwa.
Ubundlobongela njani?
Ngoko, yintoni ukubekwa kunye nesakhiwo sobhinqa besifazane. Ibhinqa lilungu elincinci le-pelvic, phambi kwalo likhona i-urethra kunye ne-vestile, emva kwe-rectum. Icandelo elincinci lomfazi lilinganiselwe kwindlu yesini (i-labia encinci, i-clitoris kunye ne-hymen (ukusuka kwiintombi) okanye ihlalayo (kubasetyhini abahlala ngesondo)), inxalenye ephezulu emlonyeni wesibeleko ixhunyiwe kwisibeletho ngokwawo.
Isakhiwo sobhinqa besifazane silula. Enyanisweni, ibhinqa ngumngcipheko we-muscular, ongaphakathi apho kukho inani elikhulu leengxowa, ezolulayo ezichaza ukunyaniseka kwayo. Ingxenye ephezulu yelini isalathisi esincinci, i-elastic more than the lower.
I sixhobo sobhinqa sinjalo kubo bonke abasetyhini, okwangoku njengoko ubukhulu bayo bubungqongqo. Ubungakanani obude bebhinqa buyi-8 cm, kodwa ngenxa yeziganeko ezibonakalayo zesakhiwo senkqubo yokuzala yowesifazane ngamnye, le nqondiso ingaba phakathi kwe-6-12 cm. Ubuninzi beendonga zesisu, njengomthetho, aludluli kwi-4 mm.
Ulwakhiwo lwesini
Isakhiwo seendonga zangasemva nangasemva kwebhinqa zilandelayo:
- Uluhlu lwangaphakathi (iimbumba);
- Uluhlu oluphakathi (isethi yemizobo emisipha yomzimba);
- ungqimba lwangaphandle (tissue).
Uluhlu lwangaphakathi lwesini luhlanganiswe ne-epithelium ephangelwe, ngenxa yokuba ukuqiniswa kwayo okuphezulu kuqinisekiswa. Isakhiwo esinjalo sokwenza ukhululo luvumela ukuba isisombululo sithende sibe nobukhulu obukhulu ngexesha lokubeletha . Ukongeza, i "ribbing" yesondo iphakamisa lonke uluhlu lweentlungu ngexesha lokwabelana ngesondo. Kufuneka kuqatshelwe ukuba ukunyumba okunjalo kubonwa kuphela kwabasetyhini beminyaka yobudala.
Isixhobo sendawo esecaleni lesisini sichazwa zizihlunu ezihamba phambili, ezikwinqanaba eliphezulu lasemzimbeni lihamba ngokugqithiseleyo kwimisipha yentsholongwane, kwaye kwicandelo elincinci - linamandla amakhulu kwaye ikhutshwe kwiimisipha ze-perineum.
Isakhiwo sendawo yangaphandle yesisu sisisityambo esixhumeneyo, apho isondo lihlula kwizitho ezingahambelani nenkqubo yokuzala yesifazane: phambi - ukusuka kwinqanaba elincinane le-bladder, ukusuka ngasemva-ukusuka kwi-rectum.
Umsebenzi weVaginal kunye nokukhulelwa kwesisu
Zonke iimpawu zesakhiwo sezilwanyana zesinikazi zichonga ukubaluleka kokusebenza kwazo:
- ubulili bubandakanyeka ngqo kwizesondo, kukhuthaza ukuhamba kwendoda kwisitya somlomo wesibeleko ;
- Igazi lokunyuka likhishwa ngecala lomfazi;
- yindlela yokuphela kwenkcazo yemvelo kwizitho zangasese zomzimba zangaphakathi;
- ibhinqa lithatha inxaxheba ngokuthe ngqo kwinkqubo yesizukulwana, ngolu hlobo, njengokungena kwidolobho yokuzalwa, kunye nophuhliso lomntwana;
- lenza umsebenzi othile wokukhusela, ngenxa yeso sixhobo esikhethekileyo sesini, ingozi yokulimala kunye nokusuleleka kohlobo lwe-genitalia lusezantsi;
- Ubukho bokuphela kwesigulane kwisisu sele kumnye wemimandla engummangaliso yowesifazane, kwaye ngokutsho kophando oluqhutywe, lusephambili
Udongeni lwesini ligosa elidumileyo G.
Isakhiwo seendonga zobhinqa besifazana siquka izilwanyana ezithile, umsebenzi wokuba usebenzise i-mucus yokunyusa ukuhlanjululwa nokuhlambulula umfazi. Ubumba obuphuma ngaphandle kwezilwanyana eziphilileyo (oko kukuthi, isondo, akusiyo isibeleko okanye umbhobho wesibeleko somlomo wesibeleko), sichithwa ngokwexabiso elincinci okanye kungabonakali kuyo yonke indawo (ekufakwe ngaphakathi kwendawo). I-membrane yamathambo yebhinqa inokuguquka kwezinto ezingabalulekanga kwinkqubo yendlela yokuya esikhathini, ngokuxhomekeka kwisigaba somjikelezo, ukukhishwa kwamanye amacandelo akhe epithelial.