smooth endoplasmic reticulum


smooth endoplasmic reticulum
a region of the endoplasmic reticulum composed of tubular elements lacking ribosomes and associated with many metabolic processes, including carbohydrate metabolism, the synthesis of lipids, cholesterol, and carbohydrates, and drug metabolism.

Medical dictionary. 2011.

Look at other dictionaries:

  • smooth endoplasmic reticulum — An internal membrane structure of the eukaryotic cell. Biochemically similar to the rough endoplasmic reticulum (RER), but lacks the ribosome binding function. Tends to be tubular rather than sheet like, may be separate from the RER or may be an… …   Dictionary of molecular biology

  • smooth endoplasmic reticulum. — See under endoplasmic reticulum. * * * …   Universalium

  • smooth endoplasmic reticulum. — See under endoplasmic reticulum …   Useful english dictionary

  • endoplasmic reticulum — n a system of interconnected vesicular and lamellar cytoplasmic membranes that functions esp. in the transport of materials within the cell and that is studded with ribosomes in some places see ROUGH ENDOPLASMIC RETICULUM * * * a system of… …   Medical dictionary

  • Endoplasmic reticulum — The endoplasmic reticulum (Greek endo = within (prefix), plásma = formed entity , Latin reticulum = little net ), or ER, is an organelle found in all eukaryotic cells that is an interconnected network of tubules, vesicles and cisternae. The lacey …   Wikipedia

  • endoplasmic reticulum — Cell Biol. 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. See …   Universalium

  • endoplasmic reticulum — endoplas′mic retic′ulum n. cbl 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… …   From formal English to slang

  • endoplasmic reticulum — (en do plas mik rē tik u lum) A system of membranous tubules and flattened sacs (cisternae) in the cytoplasmic matrix of eucaryotic cells. Rough or granular endoplasmic reticulum (RER or GER) bears ribosomes on its surface; smooth or agranular… …   Dictionary of microbiology

  • endoplasmic reticulum — A network of double membranes continuous with the cell membrane and nuclear membrane; if lined with ribosomes called rough, if unlined called smooth …   Dictionary of invertebrate zoology

  • endoplasmic reticulum — Membrane system that ramifies through the cytoplasm. The membranes of the ER are separated by 50 200nm and the cisternal space thus enclosed constitutes a separate compartment. The Golgi region is composed of flattened sacs of membrane that… …   Dictionary of molecular biology


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