Ƙungiyar tazarar ita ce ƙungiyar ta wucin gadi ta haɗa mahaifi da tayin. Ana samuwa a cikin ƙwayar mucous na mahaifa, yawanci akan bangon baya, ko da yake matsayinsa na iya bambanta. Bayan haihuwar yaro, ramin ya bar bayansa, bayan 'yan mintoci kaɗan.
Muhimmancin ƙwayar mace yana da wuyar samun karfin gaske - yana ciyar da jariri, yana canza oxygen zuwa gare shi kuma yana nuna samfurori na ayyuka masu muhimmanci. Idan ba tare da shi ba, ba zai yiwu a yi la'akari da ciki ba, domin yana da muhimmanci ga tayin tayin. Za mu koyi kadan game da abin da tsarin da ayyuka na mahaifa suke?
Tsarin mahaifa
Ƙungiyar yaro ta ƙunshi nau'i-nau'i masu yawa, don haka tsarinsa ya zama tsarin tarihin burin. Wannan shine - la'akari da Layer ta Layer. Saboda haka, ilimin tarihin duniya daga tayin ga mahaifiyar:
- amnion - haɗakar da ruwa da ruwa da kuma tallata su;
- stroma - abu ne na haɗi, ya ƙunshi jirgin ruwa da kwayoyin halitta na microphage - Kashchenko-Gofbaur;
- cytotrophoblast - sassan da suke samar da syncytia, secrete BAC;
- syncytiotrophoblast - shinge mai shinge na lantarki, yana rufe cytotrophoblast;
- lacunae - cike da jini;
- cafblast - murfin lacunas, yana tsiro cikin ganuwar suturar karkace kuma yana hana haɗin gwiwa;
- fibrinoid - in ba haka ba ana kira layin Lantgans;
- decidua - endometrium tare da glycogen-arziki decylulus Kwayoyin.
Ayyuka na asali na mahaifa
Tsarin da ayyuka na cikin mahaifa suna haɗuwa. Kowane Layer na mahaifa tana taka rawar da aka ba shi, sakamakon haka, jiki yana yin waɗannan ayyuka masu muhimmanci:
- haɗin gas - oxygen ya shiga cikin jariri, kuma an cire carbon dioxide daga gare ta a gaba daya;
- abinci - tayi ta karbi ta hanyar allurar dukkan abubuwan gina jiki
abu. Abin baƙin ciki, nicotine, barasa da kuma magunguna masu yawa suna wucewa ta hanyar kariya mai karewa kuma suna zuwa jariri. Har ila yau, mahaifa ta samar da samfurori na tayin; - Tsarin Immunological - Cutar ta jinkirta jinkirin kwayar cutar mahaifa, wanda, idan ya kai tayin, zai yi la'akari da shi abu ne na waje kuma yayi ƙoƙarin kawar da shi. A lokaci guda kuma, mahaifa tana ɗauke da magungunan mahaifa don kare tayin daga cututtuka;
- kira na hormones - mahaifa yana taka muhimmiyar glandon endocrine, hada da hormones na hCG, prolactin, lakabi na tsakiya da sauransu. Su wajibi ne don al'ada ta al'ada ta ciki da kuma ci gaban tayi.