( a. )
Developing, in the case of multicellular organisms, from the same embryonic systems into which the secondary unit (gastrula or plant enbryo) differentiates.
( a. )
Developing, in the case of multicellular organisms, from the same embryonic systems into which the secondary unit (gastrula or plant enbryo) differentiates.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012