內質網 nèizhìwǎng endoplasmic reticulum Definitions Defs Origin Strokes Stroke Words Sentences Sents 光面内质网 guāngmiànnèizhìwǎng smooth endoplasmic reticulum the part of the endoplasmic reticulum that is not covered with ribosomes and is involved in lipid synthesis糙面内质网 cāomiànnèizhìwǎng rough endoplasmic reticulum