endoplasmic reticulum
Concise Oxford English Dictionary © 2008 Oxford University Press:
endoplasmic reticulum /ˌɛndəʊˈplazmɪk/
▶noun Biology a network of membranous tubules within the cytoplasm of a eukaryotic cell, continuous with the nuclear membrane.
'endoplasmic reticulum' also found in these Oxford entries:

