释义 |
blas·to·derm \ˈ ̷ ̷ ̷ ̷ˌdərm\ noun (-s) Etymology: German, from blast- + -derm 1. : a blastodisc after completion of cleavage and formation of the blastocoel 2. : the part of insect and certain other invertebrate embryos corresponding to the vertebrate blastoderm • blas·to·dermatic or blas·to·dermic \| ̷ ̷ ̷ ̷+\ adjective |