Zogulitsa

Oxytocin, ndi hormone ya peptide ndi neuropeptide, mtundu wa mankhwala a uterine contractile, omwe amatha kuchotsedwa ku posterior pituitary ya nyama kapena kupangidwa ndi mankhwala.Ngati apanga ndi mankhwala omwe alibe vasopressin ndipo alibe mphamvu.

Ikhoza kusankha kusangalala ndi uterine yosalala minofu ndi kulimbikitsa chidule chake.Chiberekero cha m'mimba chimakhudzidwa kwambiri ndi oxytocin chifukwa cha kuchuluka kwa estrogen.Chiberekero chamwana sichimakhudzidwa ndi mankhwalawa.Kuyankha kwa chiberekero ku oxytocin kunali kochepa kumayambiriro kapena pakati pa trimester ya pakati, koma kumawonjezeka pang'onopang'ono kumapeto kwa trimester ya mimba, ndipo kufika pamwamba kwambiri isanayambe kubereka.

Mlingo wochepa ukhoza kulimbikitsa kugunda kwa minofu yosalala pansi pa chiberekero, kulimbitsa mgwirizano wake, kufulumizitsa kutsekemera kwafupipafupi, ndi kusunga polarity ndi symmetry mofanana ndi kubereka kwachilengedwe.Chifukwa chake, mankhwalawa amagwiritsidwa ntchito kulimbikitsa ntchito kapena oxytocia.

Mlingo waukulu umapangitsa kuti minofu ya chiberekero igwirizane ndi tetanic.Amagwiritsidwa ntchito pochiza kupsinjika kwa mitsempha yamagazi pakati pa ulusi wa minofu, kupewa kutaya magazi kwa postpartum ndi kusakwanira kwa postpartum involution.Zimalimbikitsa kuyamwitsa, kuchepetsa njira ya mammary, ndikulimbikitsa kutuluka kwa mkaka kuchokera m'mawere.Komabe, sangathe kuonjezera katulutsidwe wa mkaka, koma akhoza kulimbikitsa kumaliseche kwa mkaka.

Oxytocin nthawi zambiri amaphatikizidwa ndi kukonzekera kwa ergot kuchiza kukha mwazi kwa postpartum.Amagwiritsidwa ntchito makamaka pakubala mochedwa kwambiri komanso kuchedwa kubereka komwe kumachitika chifukwa cha chiberekero cha uterine panthawi yobereka.Amagwiritsidwanso ntchito poyesa kukhudzika kwa oxytocin komanso kuthandizira kutulutsa mkaka wapambuyo pobereka.

Oxytocin imatulutsidwa m'magazi ngati mahomoni poyankha zogonana komanso panthawi yobereka.Imapezekanso mu mawonekedwe a mankhwala.Munjira iliyonse, oxytocin imapangitsa kuti chiberekero chikhale chofulumira.Kupanga ndi kutulutsa kwa oxytocin kumayendetsedwa ndi njira yabwino yoperekera ndemanga, pomwe kutulutsidwa kwake koyamba kumalimbikitsa kupanga ndi kutulutsa oxytocin wina.