Kukhona incazelo enengqondo yokuthi kungani abesifazane banezinsipho: ukondla izingane. Kodwa kungani imizimba yamadoda igcina lokho okubonakala kubonakala sengathi yizingxenye zomzimba ezikhulu? Inqubo yokukhethwa kwemvelo yaseDarwinian ibonakala ibonisa ukuthi izinsipho zesilisa akufanele zibe khona. Ngakho-ke yiyiphi isivumelwano? Kungani amadoda enama-nipples?
Okwenza Amadoda Anezikhwama
Njengemibungu esibelethweni, abesilisa nabesifazane banezicubu ezifana nezitho zomzimba.
Eqinisweni, yonke imibungu iqala njengowesifazane, yingakho izingono zikhona kuzo zombili zesini. Kwabafana, i-Chromosome Y ne-testosterone ye-hormone kuletha ushintsho kumbungu, kuhlanganise nokwanda kwamapenisi nama-testicles. Kodwa-ke, ngoba izinsipho sezivele zithuthukile ngaphambi kokuba ubulili bomntwana bubekwe, izinsipho zihlala. Lezi zinambuzane ezingenalutho azikho ukusetshenziswa okusebenzayo.
Amadoda kanye neCanscer Breast
Yikholelwa noma cha, amabele abesilisa angakhipha ubisi futhi ahloselwe umdlavuza webele . Kungenxa yokuthi izinga elithile le-hormone yesifazane estrogen likhona kuwo wonke amadoda. Ngezinye izikhathi, ngenxa yezifo noma isimo esithinta ama-hormone, izicubu zesifuba emadodeni zingakhula (isimo esibizwa ngokuthi i- gynecomastia ) futhi amadoda angabonisa ubisi lwebele.
I-Gynecomastia ivame ukubonakala ebusheni, inkathi ekuthuthukisweni lapho ama-hormone eguquguquka kakhulu. Kubonakala nakwamanye amadoda asesifo sesibindi kanti ngezinye izikhathi atshwala.
Ezinye izingxenye zomzimba 'ezingenamsebenzi'
Amalungu asebenze ngenxa yokuziphendukela kwemvelo abizwa ngokuthi "izitho zangasese," futhi sinambalwa. Ngakho yiziphi ezinye izingxenye zomzimba ezibonakala zingenamsebenzi? Nazi ezimbalwa ongacabanga ukuthi ngabe ziyizisulu zokuziphendukela kwemvelo:
I-Foreskin: Amadoda amaningi avela kwamasiko ahlukahlukene emhlabeni wonke asuswe ijwabu ngesikhathi sokusoka.
Esikhathini esidlule, ijwabu lalivikela ukugonywa kwegciwane. Kodwa-ke, ngosuku lwesimanje lapho abantu begqoke ngokugcwele ukubeletha, lokhu akubalulekile, futhi kukhona ubufakazi bokuthi ijwabu eliqinile lingabhekana nokutheleleka.
Amashiya: Nakuba amashiya akho edlala indima ebalulekile ekubukeni kwakho, wake wazibuza ukuthi bakwenzani phezulu lapho ebusweni bakho? Ngesinye isikhathi, okhokho bethu bokuqala bangase babe nezinwele ebusweni babo bonke. Ngesikhathi ochwepheshe bengacaciseki ukuthi kungani izinwele zezinwele ezingaphezu kwamehlo ahlala, amashiya asebenza ukuze agcine umswakama emehlweni kusukela emvuleni noma ekujuleni.
Izinkolelo Zokuhlakanipha: Uma abantu abaningi bevele bevuswa ukuba baqedwe ngokuhlinzwa, kungani abantu benamazinyo okuhlakanipha ? Amazinyo okuhlakanipha ayingxenye yethu yesithathu yemikhosi, futhi okhokho bethu babethembele kubo ukuba badle ukudla okunamaqabunga, okunzima okufana namaqabunga, izimpande, amantongomane nezinyama. Manje ukuthi ukudla kwethu kwansuku zonke kunomfutho futhi sinamathuluzi amaningi esinakho okwenza kube lula ukudla okunzima, amazinyo okuhlakanipha awadingekile. Esikhundleni sokuthi sikhule futhi sisisize sidle, amazinyo amaningi abantu abahlakaniphile ahlale ehlathini futhi angakwazi ukuphikisana namanye amazinyo, abangela izinkinga ezivumela ukuthi zisuswe.
Ezinye izingxenye zomzimba ezingaphandle zihlanganisa izinwele ze-armpit, isithasiselo, namathoni, konke okungasuswa ngaphandle komthelela emisebenzini yomzimba.
> Imithombo:
> Braunstein GD, i-Anawalt BD. Izici zomtholampilo, ukuxilongwa, nokuhlolwa kwe-gynecomastia kubantu abadala. Ku: UpToDate. 2017.
> Gradishar WJ. Umdlavuza Webele Emadodeni. Ku: UpToDate. 2017.
> Wilcox D. Ukunakekelwa kwephutha elingasokile. Ku: UpToDate. 2017.