- the ectoplasm of a protozoan (opposed to endosarc).
Origin of ectosarc
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for ectosarc
Note also many minute oval sacs lying side by side in the ectosarc.Elementary Zoology, Second Edition
Vernon L. Kellogg
The cytoplasm is very highly differentiated: especially the ectoplasm or ectosarc.
- zoology the ectoplasm of an amoeba or any other protozoan
C19: ecto- + -sarc, from Greek sarx flesh
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012