Yawan ovaries wani ɓangare ne na al'ada na al'ada da aikin haihuwa na mata.
Anatomy na Ovaries
Ovaries na biyu ne (kamar girman da siffar almond) a cikin tsarin haifar da mace inda aka adana ƙwai kuma an gina estrogen. Ana gudanar da su a wuri da dama jigilar hagu a kowane gefen mahaifa. Ana fitar da ƙwai daga ovaries zuwa cikin mahaifa ta hanyar tubunan fallopian.
Gudun ƙofar ƙofar fallopian ƙananan abu ne, ko tsinkayen yatsa, wanda ke jagorantar kwai a cikin bututu kowane wata.
Ovaries Ta hanyar Lifespan
An haifi mace tare da dukan qwai da zata bukaci, kimanin miliyan daya a cikin kowane ovaries. Ta hanyar haihuwa, lokacin da ta fi karfinta ta farko , adadin ƙwai a cikin kowane ovary yana kusa da 200,000 zuwa 400,000. A lokacin yarinyarta, kimanin 300 zuwa 500 qwai za su ci gaba kuma a sake su a yayin jima'i. Bayan yin jima'i, ovaries za su daina samar da ƙwai, da kuma atrophy (shrink). Saboda rashin asarar aiki na ovarian da asarar yaduwar estrogen, 'yan mata na maza da mata suna fama da bayyanar cututtuka kamar walƙiya mai zafi da kuma bushewa. Hanyoyin Estrogen sun kara yawan halayyar mata na tasowa na osteoporosis, wanda ya kara yawan hadarin kasusuwa.
Ayyukan Ovaries a cikin Halin Menstrual
Duk da yake hawan keke na iya zama wanda ba daidai ba ne a farkon, za su ƙara zama na yau da kullum tare da kimanin kwanaki 28 tsakanin kwanaki na farko na kowane lokaci.
Kowace wata, kimanin 10 zuwa 12 nau'in ƙwayar kwai zai fara girma. Ɗaya zai ci gaba da haifar da kwai kwai. Sauran za a mayar da su a cikin dabbobin ovarian. Kimanin kwanaki 14 zuwa cikin wata mace, za a sake yaduwa cikin ƙwayar da ake kira ovulation. Bayan yaduwar tsuntsaye, anyi amfani da jigon maras tabbas a matsayin launi mai launi.
Zai haifar da progesterone da sauran kwayoyin hormones mahimmanci don daukar ciki na kimanin kwanaki 14.
Progesterone yana taimakawa wajen shiryawa da kuma ɗaukantar da mahaifa don shigarwa idan hadi na kwai tare da maniyyi na faruwa. Har ila yau, idan hadi ya faru, wannan goyon baya na hormonal zai ci gaba a cikin ciki don hana wasu qwai daga maturing. Idan hadi ba ya faruwa, matakan progesterone za su ƙi, yaduwar kwayar cutar ta jiki za ta kara ƙasa, kuma haila za su fara.
Hormonal Role na Ovaries
Yawan ovaries suna da damuwa da sakamakon da canje-canje na endocrin ko tsarin hormonal. Suna amsawa kuma suna samar da hankalin su kamar yadda jiki yake so. A gaskiya ma, muhimmiyar rawa na ovary shi ne ya ɓoye jima'i na hormones - estrogen, progesterone, da ƙananan nau'o'in androgens, wanda ya haifar da yanayin halayen jima'i na namiji da kuma ci gaba.
Bugu da ƙari kuma, ovaries ma sun amsa FSH da LH wadanda aka samo su ta ƙananan glandon kwakwalwa da ake kira gland. FSH, ko abin da ke tattare da kwayoyin halitta, yana haifar da matakin ciwon estrogen da rukuni na ƙwayoyin kwai don bunkasa kowace wata. Yayinda mutum daya ya zama rinjaye kuma ya kai ga balaga, matakin da yaduwar estrogen zai zama zai haifar da LH (luteinizing hormone), ya haifar da kwayar halitta.
Layin Ƙasa
Kwayoyin ovaries da hormones da suka samar (irin su estrogen da progesterone) suna taka muhimmiyar aiki a cikin tsufa na haihuwa.
Source:
Cibiyar Menopause ta Arewacin Amirka. (2014). Ma'anar Menopause: A Cibiyar Nazari, 5th ed. Mayfield Heights, OH: The North American Menopause Society.