尿にょう嚢のうMeanings1nounallantoic bladderA specialized anatomical term referring to the allantoic bladder, a structure in embryonic development. Rare outside of medical or biological contexts.尿にょう嚢のうは胚はいの発はっ生せい過か程ていで見みられる構こう造ぞうです。The allantoic bladder is a structure seen during embryonic development.
