gastrula
Rare embryological term for the gastrula stage. Cross-referenced with 原腸胚 (げんちょうはい), which is the more common term.
See also: 原腸胚
嚢胚, also called 原腸胚, is an embryological term.
Standard kanji form for this embryological term.
Rarely used kanji form; 嚢 is the more common variant.
Compound of 嚢 (のう, 'sac') and 胚 (はい, 'embryo'), referring to the sac-like stage of embryonic development.