blastoderm Syllabification: (blas·to·derm)Pronunciation: /ˈblastəˌdərm/Definition of blastoderm noun Embryology the layer of embryonic tissue that forms prior to the development of the embryonic axis. the outer layer of cells that forms the wall of a blastula. Derivatives blastodermicPronunciation: /ˌblastəˈdərmik/ adjective blastoderm in other Oxford dictionaries Definition of blastoderm in the British & World English dictionary
