UtanoMushonga

Placenta - Nde muviri kuti amai uye mwana!

Placenta - iri rakasiyana uye zvikuru nokuti kuipa nzira pamuviri muviri anobvumira kutakurwa zvinovaka muviri uye mavhitaminzi kubva amai nembudzana. Hazvina kubva muviri ichi zvinoenderana chinhanho ari mudumbu. Naizvozvo, placenta kunodokuva kusingabviri kuona.

Zvinokuchengetedzai kutaura kuti placenta chiri nhengo kuti parambe kumarudzi mwedzi zvose vapfumbamwe dzose intrauterine kukura azvarwa. Chitarisiko, ari placenta chakafanana kumativi Disc. Parutivi rumwe yaenda azvarwa, uye wechipiri - kuti padumbu ramai. Kubva kurutivi michero chaiyo chipingamupinyi ichi anosiya achiine rukuvhute tambo. The kukura mumudzimu placenta anowanzoitwa - kubva 15 kusvika 25 masendimita ari dhayamita. muviri Ukobvu anenge 2 cm.

Placenta iri zvakananga dumbu, kazhinji zviri mucosa pakati rwemberi rusvingo. Asi nokuda kwezvikonzero zvakasiyana-siyana, anogona kuiswa pamberi, uye pazasi, dzimwe nguva kunyange rakavhara mbudo kumwana. Ko yakarurama nzvimbo (kunyanya kana ari placenta yakaderera) inogona kunaka chaizvo zvazvinoita dzinongoitika yokusununguka. Ndokusaka vanachiremba varayire mumamiriro ezvinhu akadaro, zvokuwedzera caesarean chikamu.

Asi kana akadaro chirwere kwakaitwa panguva rokuongorora pakutanga kwetemu, ipapo musafunganya. Placenta - iri kukurumidza kukura muviri. Inokura uye kuchinja yose nguva gestation uye, ungangotarisa, chirwere ichi mu yechitatu kwetemu uye hapana anoyeuka. The nemamiriro placenta kubva lobed. Mumwe "bande" anonzi cotyledon. Zvakaparadzana nemumwe nokuda partitions - septa. Part placenta rakatarisana mudumbu anowedzera zvemapuranga Âmnio. Uyewo panguva iyi achiine rukuvhute tambo aumbwa. Izvi chirukwa inotungamirwa rinobatanidza placenta kuti azvarwa. The achiine rukuvhute tambo vari vatatu zvikuru mudziyo ropa, uye zvakananga kubudisa zvinhu zvachose chinovafukidza midziyo, ichivadzivirira kubva zvokuimba kukuvara.

Zvinokoshawo kuti placenta - chinhu multifunctional nenyere. Its chikuru chinhu Zvechokwadi, kuitira wakazara chokuendesa mucheche nezvinovaka muviri uye okisijeni. Hazvina pakutanga nechokwadi kunowanzoitika kukura azvarwa. The placenta zvakare anokonzera pagadzirwe mamwe mahormone dzakananga. Ndivo zvakakodzera kuramba ari pamuviri. Hazvina kwevanhu chorionic gonadotropin uye progesterone. Chimwe basa rinokosha - kudzivirira. Placenta rudzi mhinganidzo, voitakura kunze zvakasimba nokuda kwokusarudza kupinda zvinhu. Asi nokuda kwezvikonzero zvinoverengeka, basa iri vasingadzoreki, uye mwana anogona achiri kuwana zvakasiyana siyana zvinokuvadza anogona kukuvadza. Ndokusaka zvakakosha chaizvo kuti amai vanepamuviri akatungamirira kuva nemararamiro ane utano. The placenta zvinobatsira mwana kutenga dzinongoitika chokuziva kutapata.

Dzidza pamusoro mamiriro placenta kunobatsira Ultrasound. Kuronga Its rinoitwa ose trimester. Ongororo inoratidza kuti kukura kwakaita placenta. Total kuvazivisa mugwaro 4 (0,1,2,3), mumwe hunhu imwe padanho pamuviri. Kana muviri dzinokura kupfuura zvakafanira musi, ipapo kutaura placenta zvokukwegura.

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