Ubhinqa besifazana, kwi-anatomy yayo, ityhubhu ye-elastic equkethe izicubu ezixubileyo zomzimba. Ibhinqa iqala ukusuka kwinxalenye yomlomo wesibeleko kwaye iphelela nge-genitalia yangaphandle (vulva).
Ubungakanani bomfazi bu malunga ne-7 - 12 cm ubude kunye no-2-3 cm ububanzi. Ubuninzi beendonga zesini li malunga ne-3 - 4 mm.
Isakhiwo seendonga zesini
I-Anatomy yesakhiwo seendonga zesini limelelwe ngamathathu:
- Uluhlu lwemucu - luyiqhekeza elincomekileyo le-epithelial, elinokukwazi ukusolula kunye nekhontrakthi. Le propati ivumela abafazi ukuba balalane ngesondo kwaye kuyimfuneko ekuzalweni komntwana ngenxa yokuhamba komntwana ngokusebenzisa umbhobho wokuzala.
- Uluhlu oluphakathi lwesalathiso sesisu luyisisulu, luqulathe i-fiberglass longitudinal muscle fibers. Isalathisi sesibini sesisini sinamathele kwisibeleko kunye nezicubu ze-vulva.
- Uluhlu lwangaphandle lwezicubu ezinxibelelwano lukhusela isiswini ekuthintaneni nomathumbu nesisu.
Ibhinqa inemibala ebomvu ebomvu, iindonga zayo zithe tye kwaye zifudumele.
I-microflora yesini
I-mucosa ye-vaginal igcwele i-microflora, ikakhulukazi i- bifidobacteria kunye ne-lactobacilli , i-peptostreptococci (ngaphantsi kwe-5%).
Isiqhelo yendalo yendalo yelungu: kunye nalo msebenzi obalulekileyo we-microflora enempilo uyagcinwa, kwaye i-bacterium ye-pathogenic iyachithwa. Indawo yokuhlala ye-alkaline, ngokuchaseneyo, ibangela ukuphulwa kwintengiselwano yebhakterini yesini. Oku kukhokelela kwibhakteriosis yamanzi , kunye nokuphuhliswa kweeflethi zefungali ezibangela i-candidiasis.
Olunye umsebenzi wendalo ye-acidic yobundlobongqongqele yendalo yendalo ye-spermatozoa. Izisitya zesini esingafanelekiyo zesini ngaphantsi kwefuthe le-lactic acid ziyafa kwaye asinalo ithuba lokutshiza iqanda ngeentsholongwane ezingekho emzimbeni.
Ukugcina ukusetyenziswa kwebhakteria ngokuqhelekileyo kwisini kunye nenqanaba le-acidity yinto ephambili kwimpilo yamalungu omzimba wesini. Kwimeko yezifo ezivuthayo kunye nesidingo sokwelapha i-antibiotics, kuyimfuneko ukuthatha amalungiselelo e-bacteria ukubuyisela i-biocenosis yesisu esiswini.