The Collaborative International Dictionary
Endosarc
Endosarc \En"do*sarc\, n. [Endo- + Gr. ?, ?, flesh.] (Biol.) The semifluid, granular interior of certain unicellular organisms, as the inner layer of sarcode in the am[oe]ba; entoplasm; endoplasta.
Wiktionary
endosarc
n. (context biology English) The semifluid, granular interior of certain unicellular organisms, such as the inner layer of sarcode in the amoeba.