Tus Artiodactyla muaj cov kab mob cotyledonary placenta. Nyob rau hauv daim ntawv no ntawm placenta lub chorionic villi tsim ib tug xov tooj ntawm cais cov voj voog (cotyledons) uas yog faib thoob plaws saum npoo ntawm lub hnab chorionic.
Cov kab mob Cotyledonary placenta yog dab tsi?
Cotyledonary: Ntau qhov chaw sib cais ntawm kev sib txuas hu ua cotyledons yog tsim los ntawm kev sib cuam tshuam ntawm thaj ua rau thaj tsam ntawm allantochorion nrog endometrium Cov fetal feem ntawm hom placenta no hu ua cotyledons, kev sib cuag ntawm niam. qhov chaw (caruncles), thiab cov cotyledon-caruncle complex ib placentome.
Koj pom qhov chaw tso quav nyob qhov twg?
(1) Diffuse: hom placenta no tshwm sim dhau tag nrho saum npoo ntawm lub tsev menyuam luminal epithelium nrog tsim cov quav / villi thiab pom muaj nyob hauv nees thiab npua.
Dab tsi muaj Cotyledonary placenta txuas?
Cov chaw txuas tau nthuav dav (diffusely) thoob plaws tag nrho cov chaw cev xeeb tub, muaj thaj chaw txwv rau kev sib txuas, hom placenta no muaj nyob hauv npua & nees. … Cov tsiaj twg muaj Cotyledonary placenta? Nqaij, yaj, thiab tshis Dab tsi ntawm animas muaj ib tug Diffuse placenta?
Nyob rau hauv tus tsiaj Hemoendothelial placenta muaj nyob?
a. Lub cev membranous vascular uas tsim nyob rau hauv poj niam eutherian mammalsthaum cev xeeb tub, hauv ob sab phlu ntawm lub tsev menyuam thiab ib feem ntawm lub fetus, uas nws txuas los ntawm txoj hlab ntaws.
