【医】 amnioembryonic rudiment
【医】 agnina membrana; amnia; amnio-; amnion; amniotic membranae
amniotic sac; indusium; veil
blastoderm
【医】 blastoderm; blastodisk; embryonic disk; emioryonic plate; gastrodisc
gastrodisk; germ area; germ-disc; germinal disc; germinal disk
【医】 anlage; fundament; primordium; rudiment; rudimenta; rudimentum