胚泡 Traditional form: 胚泡 Pinyin (reading): pēipào Definitions: (biology) blastocyst Characters: 胚 - embryo; an unfinished thing 泡 - bubble, blister; swollen, puffed up Traditional characters: 胚 - embryo; an unfinished thing 泡 - bubble, blister; swollen, puffed up