Isidalwa siselunja sokuzala. Iveliswa kwinqanaba leengxube ezithintekayo kumathambo aziwa ngokuba yi-tubini ze-seminiferous. Bafudukela kwi-epididymis, enye enye i-coiled conduit, apho bafumana izondlo kwaye bavuthiwe. Kuthatha malunga neentsuku ezili-12 ukuhamba ubude be-epididymis apho bafumana khona ukucoca iqanda lesibini (ovum).
Zigcinwa kwi-vas deferens enesisindo esilulayo esinokukwazi ukucacisa i-sperm ngokusebenzisa i-urethra kwinkqubo yokunyuka. I-sperm iqulethe ikopi enye yee-chromosomes ezingama-23, ezidibanisa nama-chromosomes angama-23 eqanda edala iqanda elipheleleyo le-chromosome egcotyiweyo ebizwa ngokuba yi-zygote.
Ngubani Osemngciphekweni wokungafihli?
Abo bafumene i- chemotherapy okanye unyango lwe-radiation banomngcipheko omkhulu wokungapheli. Ukugqithisa kakhulu umbane okanye i-dose ye chemotherapy, eyona mngcipheko omkhulu. Ukulandela i-radiation, malunga nama-65% wamadoda akwazi ukukhulelwa. Abo baphathwa nge-high-dose cisplatin banama-40% amathuba okukhulelwa. Iinkqubo ezithile zokuphanda, eziza kuchazwa ngcaciso engezantsi, zingakhokelela ekungabikho komntwana. Ngokubanzi, malunga ne-50-80% yezigulane zomhlaza zesifo somhlaza zaphinda zivelise emva kweminyaka emi-5 yokugqitywa kwonyango lomhlaza.
Ngaphandle kwonyango, umdlavuza we-testicular ngokwayo uba ngumngcipheko wokunciphisa ukuzala. Oku kungenxa yokuba ngesinye isikhathi umhlaza wesifo unxulumene nezinye iimeko , ezikuwo zingabangela ukunciphisa ukuvelisa, njengesiqulatho esingathandekiyo (imeko eyaziwa ngokuthi cryptorchidism). Ucwaningo oluninzi luye lwaphakamisa ukuba ubukho bentlobo esezantsi kunye nokunciphisa umlingo wesilisa kwizigulane zesifo somhlaza, nangaphambi kokuba unyango lufaniswe noluntu jikelele.
I-Chemotherapy kunye neNyango yokuLawula iRadioation ingabangela njani ukungabikho komzimba?
Zombili i-chemotherapy kunye ne-radiation zingabangela ukungabikho kwempilo ngokuphazamiseka ngqo kwenkqubo yokwenziwa kwesilisa, eyaziwa ngokuba yi-spermatogenesis. Njengoko kukhankanywe ngasentla, isidoda senziwa kwiimithi ezixubileyo kwiiseli ezibizwa ngokuba yi-spermatogonia. I-Spermatogonia iyakhathalela kokubili i-radiation kunye ne-chemotherapy, ngokukodwa kwimilinganiselo ephakamileyo. Xa i-spermatogonia ichithwa, okanye ukuphindaphinda kweselulo, inqubo ye-spermatogenesis iyavalwa. Oku kungenzeka kwixesha elifutshane okanye ixesha elide ngokusekelwe kwintsebenzo yonyango kwakunye nezinye izinto ezikhoyo ngaphambili.
Unokuphelelwa Kwenziwe Ngophando Kangakanani?
Utyando lunokubangela ukungabikho komntwana ngeendlela ezahlukeneyo kunokhemotherapy kunye nemitha. Inkqubo yokugqirha eyona nto ibangela ukuba kungabikho kwempilo yinkqubo apho i-lymph nodes ezikhupha iimvavanyo kwiisisu zisuswe kwindawo yokuhlinzwa eyaziwa ngokuba yi-retroperitoneal lymph node dissection. Ukungabi nantoni kwenzeka xa isisombululo esilawula umsiza we-sphincter, ovimbela isisu ukuba sibuyele emva kwe-urethra kwi-bladder kwi-ejaculation, inzakele kwaye ingenzi nto.
Ngenxa yoko, i-sperm iyahamba ngendlela engafanelekanga kwi-urethra ize iphele kwi-bladder kunokuba ixoshwe ngaphandle kwi-penis. Le meko yaziwa ngokuba yi-retrograde ejaculation kwaye ibangela ukungabi nantoni nangona i-sperm iyanele kwaye inemisebenzi.
Yintoni i-Sperm Banking kwaye iyenzeka njani?
I-berg yasebhankini yinkqubo yokuqokelela kunye nokulondoloza umdaka ongasetyenziselwa emva komhla wokutshatyalaliswa nokukhulelwa. I-Sperm ijwayele ukuqoqwa nge-masturbation, nangona ukhetho oluphandwayo lukhona. Ukuhluthwa kufuneka kuphetshwe malunga neeyure ezingama-48 ngaphambi kokuqokelela isampula ukwenzela ukuba ukwandise inani lobisi.
Inambuzane ihlala iqhotho isebenzisa i-nitrojeni ekhoyo kwaye iyakwazi ukusetyenziswa kwiminyaka phantsi komgwaqo. Iisampulu zeSermon zisebenzise ngempumelelo ukukhulelwa kwaneminyaka engama-20 emva kokuqhwala umzekelo. Ngamanye amaxesha isampuli iya kuthathwa ngokukhawuleza ukuze icacise ukuba ngaba nesampula esisebenzayo emva kokukhanda. Iinkcukacha ezithile, imiyalelo kunye neendleko, nceda ukhangele kwiziko lebhanki ngokwalo.
Ngaba zikhona iindlela ezahlukahlukeneyo zeSperm Banking?
Kuye kwenziwa iinzame zokumisa i-spermatogenesis phambi kwe-chemotherapy kunye neyeza zonyango ngamachiza kwithemba lokukhusela i-spermatogonia kunye nokulondoloza i-spermatogenesis. Le mizamo ayizange ihlangabezane nempumelelo enkulu kwaye ayikholiswanga njengamanje.
Ngaba kukho ukuhla kweNgcila kwiBermon Banking?
Kukho iindleko kunye nemirhumo yokuqokelela imbewu kunye nokugcinwa. Ibhanki yeBermon ayikwazi ukuqinisekisa ukukhulelwa nokukhulelwa kwixesha elizayo. Kufuneka kwakhona kwaziwa ukuba kuphela malunga nama-10% amadoda asebhankini eselunxwemeni ayenokuyisebenzisa ngokuzayo kwisebe umntwana.