plastid

plastid definition - medical

plas·tid (plăsˈtĭd)

noun
  1. Any of several pigmented cytoplasmic organelles found in plant cells and other organisms, having various physiological functions, such as the synthesis and storage of food. Also called trophoplast.
  2. One of the granules of foreign or differentiated matter, food particles, or waste material in cells.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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