Defn: The germinal vesicle.
BLASTODERM
Blas"to*derm, n. Etym: [Gr. sprout + E. derm.] (Biol.)
Defn: The germinal membrane in an ovum, from which the embryo is developed.
BLASTODERMATIC; BLASTODERMIC
Blas`to*der*mat"ic, Blas`to*der"mic, a.
Defn: Of or pertaining to the blastoderm.
BLASTOGENESIS
Blas`to*gen"e*sis, n. Etym: [Gr. sprout + E. genesis.] (Biol.)
Defn: Multiplication or increase by gemmation or budding.
BLASTOID
Blas"toid, n. (Zoöl.)
Defn: One of the Blastoidea.
BLASTOIDEA
Blas*toid"e*a, n. pl. Etym: [NL., fr. Gr. sprout + -oid.] (Zoöl.)