比ひ較かく発はっ生せい学がくMeaningsNoun1. comparative embryologyKanji used比compare (things of the same type)較thoroughly compare発let out生life学studyComposed of比ひ較かくcomparisonNoun発はっ生せいoccurrence; incidence; outbreak; birth (e.g. of civilization); generation (of power, heat, etc.); production; ontogeny; development; growth; breedingNoun学がくlearning; scholarship; study; erudition; knowledge; education; study of ...; -ology; -icsNoun