Definitions for endoplasmic reticulum

This page provides all possible meanings and translations of the word endoplasmic reticulum

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  1. endoplasmic reticulum(Noun)

    A network of membranes within the cytoplasm of cells, where proteins and lipids are synthesized.

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  1. Endoplasmic reticulum

    The endoplasmic reticulum is an organelle of cells in eukaryotic organisms that forms an interconnected network of membrane vesicles. According to the structure the endoplasmic reticulum is classified into two types, that is, rough endoplasmic reticulum and smooth endoplasmic reticulum. The rough endoplasmic reticulum is studded with ribosomes on the cytosolic face. These are the sites of protein synthesis. The rough endoplasmic reticulum is predominantly found in hepatocytes where protein synthesis occurs actively. The smooth endoplasmic reticulum is a smooth network without the ribosomes. The smooth endoplasmic reticulum is concerned with lipid metabolism, carbohydrate metabolism and detoxification. The smooth endoplasmic reticulum is abundantly found in mammalian liver and gonad cells. The lacey membranes of the endoplasmic reticulum were first seen by Keith R. Porter, Albert Claude, and Ernest F. Fullam in the year 1945.

U.S. National Library of MedicineRate this definition:(0.00 / 0 votes)

  1. Endoplasmic Reticulum

    A system of cisternae in the CYTOPLASM of many cells. In places the endoplasmic reticulum is continuous with the plasma membrane (CELL MEMBRANE) or outer membrane of the nuclear envelope. If the outer surfaces of the endoplasmic reticulum membranes are coated with ribosomes, the endoplasmic reticulum is said to be rough-surfaced (ENDOPLASMIC RETICULUM, ROUGH); otherwise it is said to be smooth-surfaced (ENDOPLASMIC RETICULUM, SMOOTH). (King & Stansfield, A Dictionary of Genetics, 4th ed)

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