Lub tswv yim thiab kev loj hlob tom ntej ntawm cev xeeb tub yog ua tau tsuas yog thaum tsis muaj hormonal ntshawv siab nyob rau hauv lub cev ntawm ib tug poj niam. Nws yog hormones - biologically nquag tshuaj - lub luag haujlwm rau tus txheej txheem ntawm maturation ntawm lub qe thiab tsim tej yam kev mob rau nws fertilization, koom rau hauv kev npaj rau kev yug menyuam thiab kev pub mis niam. Cawm zoo tshaj qhov tseem ceeb ntawm kev xeeb tub thiab kev muaj cev xeeb tub muaj prolactin.
Prolactin - tus qauv hauv cev xeeb tub
Nws paub zoo tias thaum cev xeeb tub qib ntawm prolactin yog nce, qhov phenomenon yog xam cov cai thiab vim yog lub ntsiab ntawm cov tshuaj hormone. Qhov zoo tshaj plaws nyob rau hauv lub sijhawm no ntawm prolactin muaj nyob rau hauv cov qog cov qog, maj mam npaj rau lawv cov khoom ntawm colostrum thiab mis. Nyob rau hauv nws lub hwj, lub qauv thiab qhov loj ntawm lub mis hloov - cov nqaij rog yog hloov nrog ib tug secretory ib. Cov kev hloov ntawm cov kev hloov no ua rau kom muaj kev txhawb rau kev pub niam mis ntxiv.
Qhov ntau ntxiv ntawm prolactin nyob rau hauv cev xeeb tub kuj tseem ceeb rau tus me nyuam, raws li nkag mus rau hauv nws lub cev, qhov hormone txhawb nqa kev loj hlob ntawm lub ntsws. Ua kom muaj ntau leej, nws koom rau hauv kev tsim ntawm ib tug surfactant - ib yam khoom tshwj xeeb uas npog sab hauv lub plawv ntawm lub ntsws thiab npaj cov ntsig txog lub cev rau kev ua si tseem ceeb.
Tsis tas li ntawd, tsis ntev los no ib qho tseem ceeb ntawm cov khoom tsim nyog ntawm prolactin tau muab pov thawj - nws yog nws lub peev xwm los muab qhov cuam tshuam rau kev sib nkag siab.
Raws li txoj cai, theem ntawm prolactin hauv cev xeeb tub tsis yog txiav txim siab, vim nws cov khoob khoob qis tshaj li tus qauv rau tus poj niam uas tsis yog xeeb tub, thiab qhov no yog qhov pom tias tsim nyog rau txoj kev xeeb tub.
Tus mob prolactin no puas raug rau kev xeeb tub?
Thaum npaj muaj menyuam hauv plab, tshwj xeeb yog tias muaj teeb meem nrog lub tswv yim, cov kws kho mob pom zoo kom siv ib qho kev soj ntsuam rau cov mob prolactin. Txhua yam txawv txav, uas yog, qib qis los yog siab ntawm prolactin, tsis tuaj yeem hais lus tim khawv rau kev kuaj mob ntawm tus poj niam lub cev, tab sis feem ntau ua rau txoj kev xeeb tsis tau. Piv txwv, nce prolactin tshwm sim vim muaj cov kab mob xws li benign pituitary tumor, polycystic yug menyuam, lub raum tsis ua, cirrhosis, thiab lwm tus.
Feem ntau, cov poj niam uas muaj cov tshuaj ntau hauv cov hormone no yog cov poj niam cev tsis tab seeb, kev rog, lub plab mammary secretions, tearfulness, thiab, tseem ceeb, thaum npaj, qhov no yog tsis muaj ovulation. Yog tias koj tseem xeeb me nyuam, ces qhov prolactin zog ntxiv rau nws txoj kev loj hlob ntxiv tsis yog kev hem. Ntawd yog, tam sim no lub tswv yim tias elevated prolactin ua qhov ua rau lub cev tsis muaj zog yog tsis tsim nyog thiab tsis muaj kev pom zoo.