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Definition of "endoplasmic reticulum" [endoplasmic reticulum]

  • A membrane network within the cytoplasm of cells involved in the synthesis, modification, and transport of cellular materials. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "endoplasmic reticulum" in a sentence
  • "If the requested protein is for export, manufacture occurs at an organelle known as the endoplasmic reticulum ER."