Isithinteli Sithinta kanjani uhlelo lokuzala?
Uhlelo lwesilisa lokuzala luhlanganisa izivivinyo, izidakamizwa zesidoda, i-prostate gland, urethra, ne-penis. Ngeshwa, njengezinye izicubu eziningi zomzimba womuntu, amagciwane angakhula kusukela ohlelweni lokuzala. Umdlavuza we-prostate ungumdlavuza ovame kakhulu wesistimu yokuzalisa owesilisa olandelwa yi- cancer , equkethe izinhlobo eziningana ezahlukene.
Umdlavuza we-testicular uvela ematendeni, owaziwa nangokuthi ama-testes, uhlobo oluningi lwe-testis.
Sibutsetelo
Igama eligcwele le-sperm cell yi-spermatozoon, iningi le-spermatozoa. I-sperm cell ihluke kakhulu kuwo wonke amanye amangqamuzana omzimba womuntu ngoba yilo kuphela uhlobo lweseli oluqukethe iqoqo elilodwa lama-chromosomes, kanti zonke ezinye amaseli ziqukethe amaqoqo amabili e-chromosome ngayinye. Ihlanganisa neqanda, eliphethe ikhophi elilodwa lama-chromosomes womama, okuholela ekutheni iqoqo lama-chromosomes eligcwele. Lesi setha sama-chromosomes sibheka iningi lezici zomuntu okufanele azalwe.
Isidakamizwa sidlula ngezigaba ezintathu eziyinhloko: ukukhiqizwa, ukugcinwa, nokulethwa.
Ukukhiqiza
Inqubo yokudalwa kwesilisa ibizwa ngokuthi i-spermatogenesis. Kwenzeka esifundeni sama-testes eyaziwa ngokuthi amathole e-seminiferous. Ngaphakathi kwamathambo e-seminiferous atholakala amangqamuzana e-spermatogonia avela kuwo amaseli esilisa.
Njengoba isidoda sihamba ngamathambo amancane, sondliwa futhi siyaqhubeka sivuthiwe. Emhlabeni we-200-400 million izidakamizwa zenziwa ngosuku ngalunye.
Isitoreji
I-sperm iphuma emathunjini amancane bese ufaka i-epididymis, enye enye isakhiwo esiyinkimbinkimbi esicwebekile. I-sperm iyaqhubeka ithuthuka ngalesi sigaba futhi ekugcineni igcinwe ekugcineni kwe-epididymis.
Kuthatha cishe izinyanga ezingu-3 ukuze isidoda siphelele ngokugcwele.
Ukulethwa
Ngokuvuselela okwanele ohlelweni lwezinzwa, ukukhishwa kwemisipha ebushelelezi kwenza i-sperm ibe yi-epididymis ibe yi-vas deferens (eyaziwa nangokuthi i-ductus deferens) egibela isisindo bese idlula emgwaqeni ojulisayo, ohlala e-prostate gland. Le nqubo ibizwa ngokuthi yi-emission futhi iyenzeka ngokushesha ngaphambi kokujula. Ngaphambi nje komgwaqo ojulayo, i-vesicle ye-seminal inikeza uketshezi olucebile okondla okwenza iningi levolumu ye-ejaculate. I-prostate iphinde inikeze uketshezi okusiza ukwehlisa i-pH nokuvikela isidoda. Ukusuka lapho insimu, manje eyaziwa njenge-semen njengoba ikwazi ukuphuma emanzini avela emasontweni, ilahla phansi i-urethra ne-penis. I-sphincter isiphazamise nxazonke kwi-prostate izivumelwano zokuvimbela isisu ukuba singene endleleni engafanele engena esikhwameni.
Imiphumela engenzeka
Ngaphambi kokwelapha umdlavuza
Ucwaningo oluthile luphakamisa ukuthi amadoda ane umdlavuza we-testicular anesibindi sokuthi u-spermatogenesis akhathele ngisho nangaphambi kokwelashwa. Isizathu esiqondile salokhu asikacaci, kodwa singase sihlobaniswe nezici eziyinhloko ezenza umdlavuza we-testicular kuqala, njenge- cryptochidism .
Ukulandela i-Chemotherapy noma i-Radiation
Kokubili uketshezi lwe- chemotherapy kanye nokwelapha imisebe kungaphazamisa i-spermatogenesis. Ukuphakama umthamo we-chemotherapy, ingozi enkulu yokuphelelwa isikhathi esingapheli.
Ukulandela uRLND
I-retroperitoneal i-lymph node dissection iyisisindo sokukhishwa kwe-lymph nodes esiswini esisusa okuqukethwe kwe-lymph kusuka ku-testes. Leli yindawo yokuqala yokudla kancelisi ye-testicular nokusakazwa futhi kungenziwa yingxenye ebalulekile ekuphulukeleni umdlavuza. Izinzwa ezibhekene nenqubo edidiyelwe yokudlulela kwe-ejaculation kusuka emthonjeni womgogodla ngalesi sifunda. Lezi zinzwa zingathinteka ngokuhlinza okubangelwa isimo esaziwa ngokuthi i-retrograde ejaculation.
Njengoba kukhonjisiwe ngenhla, ngesikhathi se-ejaculation, izinkontileka ze-sphincter muscle ngaphambi nje kwesinye isisu, ukuvimbela isisu ukuba singene endleleni engafanele (ukubuyisela emuva) kwisifiso esikhundleni sokunciphisa i-urethra ngokusebenzisa ipeni. Ekubuyiseleni kwe-ejaculation, i-nerve ebangela ukuchotshozwa kwe-sphincter ayisebenzi ngendlela efanele ukuze isisu singena esikhwameni esenza lokho okuvame ukubizwa ngokuthi i-orgasm eyomile.
Noma yimuphi wezokwelapha ngomdlavuza we-testicular kungase kubangele ukungasebenzi. I-sperm banking kufanele ibhekwe kunoma ubani ofuna ukuzala izingane ngemuva kokwelashwa.