Cov placenta plays lub luag haujlwm tseem ceeb hauv kev noj haus ntawm tus menyuam hauv plab. Nws kho cov kev thauj mus los ntawm cov as-ham thiab cov khoom pov tseg hauv metabolic hla qhov thaiv kev sib cais ntawm niam thiab menyuam hauv plab, nrog rau kev hloov kho cov muaj pes tsawg leeg ntawm qee cov as-ham los ntawm nws tus kheej kev ua haujlwm metabolic.
Dab tsi yog qhov tseem ceeb ntawm cov placenta nrog kev loj hlob ntawm fetal?
tus placenta ua dab tsi? Cov placenta yog ib yam kabmob uas tsim hauv koj lub tsev menyuam thaum cev xeeb tub. Cov qauv no muab cov pa oxygen thiab cov as-ham rau koj tus menyuam loj hlob thiab tshem tawm cov khoom pov tseg los ntawm koj tus menyuam cov ntshav Cov placenta txuas mus rau phab ntsa ntawm koj lub tsev menyuam, thiab koj tus menyuam txoj hlua caj dab tshwm sim los ntawm nws.
Vim li cas thiaj li tsim nyog rau cov placenta los cushion fetus?
Ib lub hnab nyias nyias uas nyob ib puag ncig tus menyuam hauv plab thaum cev xeeb tub. Lub hnab ntim tau ntim nrog cov kua ua los ntawm tus menyuam hauv plab (amniotic kua) thiab daim nyias nyias uas npog lub fetus sab ntawm lub placenta (amnion). Qhov no tiv thaiv tus menyuam hauv plab los ntawm kev raug mob. Nws kuj pab tswj qhov kub ntawm tus menyuam hauv plab
Puas yog cov placenta muab khoom rau fetus loj hlob?
Tom qab muab tso rau ntawm phab ntsa ntawm lub tsev menyuam, cov placenta txuas mus rau lub fetus loj hlob ntawm txoj hlab ntaws. Ntawm no yog cov haujlwm ntawm cov placenta: Cov khoom siv khoom noj khoom hausthiab oxygen - Cov placenta muab cov as-ham, muab cov pa oxygen, thiab xa cov pa roj carbon dioxide ntawm tus menyuam mus rau leej niam cov ntshav.
Vim li cas thiaj tseem ceeb kom muaj cov placenta noj qab nyob zoo?
Kev ua haujlwm ntawm cov placenta yog fundamental rau menyuam txoj kev loj hlob. Nws tsim ib qho kev sib txuas tseem ceeb ntawm leej niam thiab tus me nyuam, muab cov khoom noj tseem ceeb thaum cev xeeb tub thiab dhau cov pa oxygen thiab cov vitamins los ntawm txoj hlab ntaws mus rau cov placenta.
