- the endoplasm of a protozoan (opposed to ectosarc).
Origin of endosarc
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for endosarc
Note the small granules which move about within the endosarc.
Note within the endosarc an oval transparent body which shows no pulsations.
Within the endosarc note a clear globular spot which contracts and expands, or pulsates, more or less regularly.
The opening at the distal end of the proboscis, through which the endosarc is thrown out, is circular.
The endosarc is semifluid and rich in granules mostly “reserve” in nature, often showing proteid or fat reactions.