発はっ生せい生せい物ぶつ学がくMeaningsNoun1. developmental biologyKanji used発let out生life物thing学studyPitch accentはっせいせいぶつがくComposed of発はっ生せいoccurrence; incidence; outbreak; birth (e.g. of civilization); generation (of power, heat, etc.); production; ontogeny; development; growth; breedingNoun生せい物ぶつ学がくbiologyNoun