experimental embryology
A branch of developmental biology that uses experimental manipulation to study embryonic development.
Experimental embryology is a field that investigates embryonic development by artificially manipulating the embryo.
発生学 (embryology) is the broader study of embryonic development, while 実験発生学 specifically refers to the experimental approach within that field.
Compound of 実験 (experiment) + 発生学 (embryology).