[The umbilical vesicle and amniotic membrane].
D000650:Amnion / Q000033:anatomy & histology*; D005260:Female; D006801:Humans; D011247:Pregnancy; D014463:Ultrasonography; D015017:Yolk Sac / Q000033:anatomy & histology*
La vésicule ombilicale et la membrane amniotique.