ようまくくう 羊膜腔 LinksSentence search for 羊膜腔Sentence search for ようまくくうSentence search for ようまくこうKanji details for 羊, 膜 and 腔Edit in JMdict Noun1. amniotic cavityZoologyOther forms羊膜腔 【ようまくこう】 Discussions Log in to talk about this word.