(Biology) an extensive intracellular membrane system whose functions include synthesis and transport of lipids and, in regions where ribosomes are attached, of proteins
a network of tubular membranes within the cytoplasm of the cell, occurring either with a smooth surface (smooth endoplasmic reticulum) or studded with ribosomes (rough endoplasmic reticulum), involved in the transport of materials..
A network of membranes within the cytoplasm of many cells that is important in protein synthesis and involved in the transport of cellular materials. All organisms except bacteria have at least one endoplasmic reticulum in their cells. See more at cell.
Our data showed that a single dose of MeHg caused significant ultrastructural changes in the endomembrane system and mitochondria of the spinal cord in chicken embryos.
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