Amaqanda ziiseli zesini yomfazi oyinxalenye yobomi bakhe ukuba akwazi ukuzala. Yi gamete female, onjongo yakhe ikukuba idlozi lidityaniswe lidlozi ukuze likwazi ukuphumeza ukukhulelwa. Iqanda libunjwa ngaphakathi komfazi ngomjikelo wokuzala, yaye kukho inkcazelo eninzi ngakumbi esingayaziyo ngalo mcimbi mkhulu kangaka. Ngoko ke, siza kujongana I-15 curiosities malunga namaqanda aya kukumangalisa.
Kuyamangalisa ukwazi isandla sokuqala Indlela umzimba womfazi oguquka ngayo kumjikelo wakhe wokuya exesheni. I-Ovulation yinkqubo apho i-ovary ikhupha iqanda ngexesha elithile, ngakumbi phakathi komjikelo. Ngeli xesha, kuphela Bafuna iiyure ezimbalwa ukuze kube njalo ichumisile kwaye ukukhulelwa kwenzeka. Nangona kunjalo, amaqanda ahlala emfazini, kwaye nangona umfazi akafuni ukukhulelwa, uya kuhlala enomjikelezo kunye nezinto ezithile ezinomdla ezijongene nayo.
I-15 curiosities malunga namaqanda aya kukumangalisa
Zininzi izenzo ezingaqhelekanga ezenza ubomi beqanda. Le gamete female iveliswa ngumfazi kubo bonke ubomi bakhe, ukuze ikwazi ukuchunyiswa. Njengenyaniso yokuqala enomdla, isibini esitshatileyo sinokukhulelwa phakathi kweenyanga ezintlanu umndilili. Okulandelayo, sihlalutya ezinye izinto ezingaqhelekanga kunye neendaba ezimnandi malunga nale seli.
1- Yeyiphi imilinganiselo eneqanda elivuthiweyo? Kukho umdla omangalisayo, kuba iqanda lelona seli likhulu likhona ngaphakathi emzimbeni womfazi. Imilinganiselo yayo ingaba phakathi I-0,14 yeemilimitha kwaye ibonakala kwiliso lomntu.
2- ¿Yintoni i-oogenesis? Kukubunjwa kwamaqanda, iigeyithi zemazi okanye ii-oocyte kuma-ovari. Into engaqhelekanga enayo kukuba olu qeqesho luqala kudala ngaphambi kokuba umntu azalwe. Into engenzekiyo emadodeni, kuba i-spermatogenesis iqala ekufikiseni emadodeni.
3- Ixesha lokukhululwa kweqanda. Xa kuthiwa i-gamete sele ilungiselelwe ukugxothwa, inemizuzu eyi-15 ngenyanga okanye kumjikelo ngamnye ukuba ikhutshwe. Ngaphezu koko, kuphela Inobomi obuziiyure ezi-4 ukuya kwezili-12 ukuze ichunyiswe, ngoko iya kutshatyalaliswa. Kwezinye iimeko, kukho abafazi abanokuvelisa ngaphezu kweqanda elinye kwiiyure ezingama-24, ngoko ke ukuzala kwabo kunokuhlala ukuya kuthi ga kwiiyure ezingama-48. Enye into enomdla kukuba amadlozi angaphila ukuya kutsho kwiintsuku ezi-5 ngaphakathi emzimbeni womfazi.
4- Iqanda yi-gamete yowesifazane. Njengoko siye saphawula kwimigca yangaphambili, iqanda likwabizwa ngokuba yi-gamete yabasetyhini, ephethe inani elikhulu lezinto zofuzo. Le gamete, xa idibene nedlozi, iyabumba izygote
5- Kwenzeka nini i-ovulation? I-ovulation iyenzeka phakathi kweentsuku ezili-13 ukuya kwezili-15 ngaphambi kosuku lokuqala lwethuba elilandelayo. Kuqikelelwa ukuba kukho abasetyhini abanomjikelezo ongaqhelekanga wokuya exesheni owahlukileyo kwabanye abasetyhini.
6- Kuthetha ukuthini i-anovulation? Oku kuxa umjikelo we-anovular usenzeka. Ingenzeka nanini na kumfazi nakuwuphi na umjikelo. Kule meko, yenaIi-ovari azikwazi ukukhupha i-oocyte okanye i-ovum, nangayiphi na imeko. Ngoko ke, i-ovulation ayizange yenzeke.
I-7- Yintoni enokwenzeka ngenyanga yokukhulelwa? Ukuba kunokwenzeka Inye kuphela, kodwa kukho ipesenti yale nto eyenzekayo. Isibini esiba neentlobano zesini rhoqo sinamathuba angama-20 ekhulwini okuba oku kwenzeke, kodwa isibini ngasinye sahlukile yaye oku kunokwenzeka ukuba kuchanekile nge-100%. Unokulinda ixesha elingakanani ukuba ukukhulelwa kwenzeke? Kukho izibini ezithatha ixesha umyinge weenyanga ezintlanu ekuyifumaneni.
8- Yintoni esinokuyazi malunga ne-oophorectomy. Yinkqubo yotyando ebandakanya ukususwa kwe-ovari enye okanye ezimbini, ngoko ke igama layo, Uni okanye i-oophorectomy yamacala amabini. Lo msebenzi wenziwa kwisisu ngokusebenzisa utyando lwe-laparoscopic, kwezinye iimeko, ngotyando oluqhelekileyo. Xa ibhinqa linokwenziwa uqhaqho ukuze liwakhuphe omabini amaqanda, lishiyeka lingenayo i-ovulation lize lingene kwi-menopause.
9- Ukuyeka ukuya exesheni kuphela kwabasetyhini, Ayenzeki nakwesiphi na esinye isilwanyana okanye isilwanyana esanyisayo. Oku kuyeka ukuya exesheni kwenzeka xa owasetyhini engasakhupheli iqanda kwaye enze njalo emva kweminyaka ethile, phakathi kwama-45 nama-55 eminyaka. Kwezinye iimeko, lo mzuzu unokwenzeka, njengoko kunjalo nge-oophorectomy.
10- Ubungakanani bee-ovari. Amaqanda lilungu elivelisa amaqanda. Zinkulu ngobukhulu kwaye zifana ne-almond, phakathi Iisentimitha ezi-3 kunye nobunzima beerandi ezintandathu ukuya kwezisixhenxe. Ngaba ufuna enye inyani enomdla? I-ovary kuphela kwelungu lomzimba elinokukwazi ukutshintsha isimo sayo kunye nokusebenza yonke imihla yenyanga.
11- Mangaphi amaqanda omfazi? Umfazi sele eqalisa ukuba namaqanda kwasekuqalekeni kobomi, naxa esesizalweni sikanina. Nangona kunjalo, akanakuba nabantwana ngokukhawuleza kwaye abasebenzise, kuba khange iqalise iminyaka yabo yokuzala. Usenokuqala ngamaqanda esisigidi, kodwa aphulukane nawo kubo bonke ubomi bakhe. Nini ufikelela ebusheni, unokuba malunga nama-300.000 ashiyekileyo, kodwa ngexesha layo lokuzala inamaqanda amalunga nama-400.
12- Zingaphi iisexesheni umfazi anazo kubo bonke ubomi bakhe? Umfazi uphakathi 400 kunye 450 ukuya exesheni ubomi bakhe bonke. Ezi data phantse echanekileyo, ekubeni nyanga nganye ingaba a ukuya exeshenil eyahlukileyo okanye inani lokukhulelwa umfazi oye waba nalo.
13- Ushicilelo lokuqala lwe ovulation. Umzuzu we-ovulation ubhalwe okokuqala ngexesha le-laparoscopy ye-vaginal, yi-Fertility Institute eBelgium ngu-Stephan Gordt kunye no-Ivo Brosens. Iifoto zokuqala zathathwa ngo-2008 ngugqirha waseBelgium uJacques Donnez.
14- Igama elithi iqanda livela phi? Amaqanda ebhinqa afunyanwa sisazi ngebhayoloji uKarl Erns Von Baer ngowe-1827. i-ovŭlum, ukunciphisa i-ovum (“iqanda”).
I-15- Izigaba zomjikelezo wokuya esikhathini. Umjikelo wokuya exesheni uhlala phakathi kweentsuku ezingama-24 ukuya kwezingama-38, apho uqulathe ezi zigaba zilandelayo: follicular okanye preovulatory isigaba (ngaphambi kokukhululwa kweqanda). I isigaba se-follicler, ehlala phakathi kwe-10 ukuya kwiintsuku ze-14, apho umzimba uvelisa ihomoni ebizwa ngokuba yi-estrogen, ukuze indawo yesibeleko ikhule kwaye ilungiselele i-ovulation. isigaba se-ovulatory, ehlala iiyure ezingama-24, apho iqanda elivuthiweyo likhutshwa yi-ovary kwisibeleko. isigaba semfihlo, phakathi kweentsuku ezisi-9 nezili-16, apho iqanda lihamba ngemibhobho yeFallopian lize lilindele ukuba lidityaniswe ngamadlozi.