The Collaborative International Dictionary
Entoplasm
Entoplasm \En"to*plasm\, n. [Ento- + Gr. ? anything formed.] (Biol.)
The inner granular layer of protoplasm in a developing ovum.
Endosarc.
Wiktionary
entoplasm
n. 1 The inner granular layer of protoplasm in a developing ovum. 2 endosarc