Ovules: yonke into ekufuneka uyazi

Amaqanda adlala indima ebalulekileyo ekuchumeni kwabasetyhini, kuba ngaphandle kwabo, ukuzala ngekhe kwenzeke. Ii-ovari zinoxanduva lokuvelisa amaqanda ukusuka ebusheni, xa kuqala ukuya exesheni. Ukusukela ngoko, Phantse zonke iintsuku ezingama-28 likhutshwa iqanda Ukusukela ngala mzuzu ukuya phambili, uhlala echumile kwiiyure ezingama-24 ezizayo, ngelixa ekwimibhobho ye-fallopian.

Ukuba iqanda lichumiswe sisidoda ngelixa lixesha lokuchuma, oku iba yi-zygote, ke oko kukhokelela ekukhulelweni. Oko kukuthi, ii-ovules yimvelaphi yobomi, iiseli eziveliswa yinkqubo yokuzala kwabasetyhini ukuze kuthi kuyo yonke iminyaka yokuzala kwabasetyhini (njengakwezinye izilwanyana ezanyisayo), kunokwenzeka ukuba ukukhulelwa kwaye ke ukuqala kobomi obutsha.

Anjani amaqanda?

Umfanekiso: ISizwe seJografi

Njengezinye iiseli ezininzi emzimbeni womntu, ii-ovules zimile ngokungqukuva kwaye zezona iiseli zikhulu. Iqanda ligutyungelwe ziimbumba ezimbini ezibaluleke kakhulu, eyokuqala, leyo egubungela iqanda ngokwalo, yinto ebizwa ngokuba yi-yolk membrane. Le nwebu iqulethe ii-glycoproteins, ezinoxanduva lokujoyina iiseli zesini. Kwelinye icala, oko kwagqunywa enye inwebu, kule meko iiseli follicular.

Ezi zinwebu zigubungela iqanda ngokwalo zibalulekile ekuchumiseni ukuze kwenzeke. Ngokulandelayo, bakhusela ingaphakathi leqanda, elili-nucleus, eligcwaliswe ngolwazi lwemfuza lomfazi. Ii-ovules okanye ii-oocyte, ukukhula emzimbeni wabasetyhini ukusuka kwinqanaba lokuzalaKe ngoko, ekuzalweni, umfazi sele enama-oocyte angama-300.000 emzimbeni wakhe.

Kuzo zonke, kuphela phakathi kwama-300 ukuya kuma-400 aya kugqiba ukwenza njenge-ovule ngalo lonke ixesha lokuzala kwabafazi, ngokuya kwinyanga nganye nge-ovulation. Bonke abanye baya kugxothwa ngokusebenzisa ii-ovulation ezahlukileyo eziza kwenzeka ngexesha, ukusuka ekuqaleni ukuya exesheni kude kube sekufikeni kokuyeka ukuya exesheni, ngelo xesha umfazi akasasebenzi.

Iingxaki zokuchuma

Kukho iingxaki ezininzi kwii-ovules zihlala zibangelwa kukungalingani kwehomoni, njengepolycystic ovary syndrome. Umgangatho wamaqanda nawo uyehla ngokuguga. Nangona kunokwenzeka ukuba iqanda lichumiswe xa likhulile, amathuba okuba neengxaki zokukhulelwa andisiwe.

Lo nto, emva kweminyaka engama-41, ithuba lokukhulelwa liphantsi. Ukongeza, umngcipheko wokukhulelwa kwesisu okanye ukuba umntwana okhulelweyo une-chromosomal engaqhelekanga inyuka iye kwiipesenti ezingama-80. Ke ngoko, nangona kunokwenzeka ukuba ukhulelwe ngesiqhelo kubudala obuvuthiweyo, inyani kukuba umngcipheko mkhulu kwaye kubalulekile ukuba ukulandelelwa kwezonyango kunyanzeleke nangakumbi, kuba kuya kuthathwa njengokukhulelwa okuphezulu.

Khathalela ukuchuma kwakho

Abantu ngokubanzi, ngakumbi abantu ababhinqileyo, bacinga ukuba ubomi bude kwaye yonke into inexesha layo. Ukuphela kolutsha akukaze kubonwe ngokusondeleyo, kwaye ngamanye amaxesha oku kunokuba nzima kakhulu kwizicwangciso zexesha elizayo. Ukuba nomntwana yinto ekufuneka icamngce ngayo, ekufuneka yenziwe kulwazi kwaye uxanduva oluza nokuzisa ubomi obutsha kulo mhlaba.


Oku kuthetha imiba ebalulekileyo njengempilo yosana oluzayo kunye nempilo yomfazi. Nangona namhlanje impilo yabantu ingafani naleyo ibinjalo kumashumi eminyaka eyadlulayo kwaye kukho iindlela zokulawula ukukhulelwa ukusuka kumzuzu wokuqala, umzimba womntu ngokwawo unemigaqo yawo. Ukuqhubela phambili kwesayensi kwaye kukho iindlela ezininzi nangakumbi zokufezekisa ukukhulelwa kwiimeko ezingenakwenzeka, kodwa ngaphambi kokufika koku, Khathalela ukuchuma kwakho ebomini bakho bonke.


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