[en-duh-plaz-uh m]

Origin of endoplasm

First recorded in 1880–85; endo- + -plasm
Related formsen·do·plas·mic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for endoplasmic


  1. cytology the inner cytoplasm in some cells, esp protozoa, which is more granular and fluid than the outer cytoplasmSee ectoplasm (def. 1)
Derived Formsendoplasmic, adjective
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

endoplasmic in Medicine


  1. A central, less viscous portion of the cytoplasm that is distinguishable in certain cells, especially motile cells and protozoa.
Related formsen′do•plasmic adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.