胚はい子しはいしMeanings1nounembryoBiological term for an early developmental stage of an organism. Often used in medical or scientific contexts. Compare with 胚 (はい), which is more common and broader.See also: 胚胚はい子しの発はつ育いく過か程ていを顕けん微び鏡きょうで観かん察さつした。