单词 | endoplasmic reticulum |
释义 | endoplasmic reticulum/ˌɛndəʊˈplazmɪk /noun [mass noun] Biology A network of membranous tubules within the cytoplasm of a eukaryotic cell, continuous with the nuclear membrane. It usually has ribosomes attached and is involved in protein and lipid synthesis.It is also present in smaller amounts in the membranes of the mitochondria and endoplasmic reticulum within the cells....
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