plastid

(redirected from Plastides)
Also found in: Dictionary, Thesaurus, Encyclopedia.

plastid

 [plas´tid]
1. any elementary constructive unit, as a cell.
2. any specialized organ of the cell other than the nucleus and centrosome, such as chloroplast or amyloplast.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

plas·tid

(plas'tid),
1. One of the differentiated structures in cytoplasm of plant cells where photosynthesis or other cellular processes take place; plasid contain DNA and are self-replicating. Synonym(s): trophoplast
2. One of the granules of foreign or differentiated matter, food particles, fat, waste material, chromatophores, trichocysts, etc., in cells.
3. A self-duplicating viruslike particle that multiplies within a host cell, such as κ particles in certain paramecia.
[G. plastos, formed, + -id]
Farlex Partner Medical Dictionary © Farlex 2012

plastid

(plăs′tĭd)
n.
Any of several cytoplasmic organelles, such as chloroplasts, that contain genetic material, have a double membrane, and are often pigmented. Plastids are found in plants, algae, and certain other eukaryotic organisms and have various physiological functions, such as the synthesis and storage of food.

plas·tid′i·al (plăs-tĭd′ē-əl) adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

plas·tid

(plas'tid)
1. One of the differentiated structures in cytoplasm of plant cells where photosynthesis or other cellular processes are carried on; contain DNA and are self replicating.
Synonym(s): trophoplast.
2. One of the granules of foreign or differentiated matter in cells: food particles, fat, waste material, chromatophores, and trichocysts.
3. A self-duplicating viruslike particle that multiplies within a host cell (e.g., kappa particles in certain paramecia).
[G. plastos, formed, + -id]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

plastid

an organelle of plant cells, with a double membrane. Plastids are large (between 3 and 6 μ m in diameter) and have various roles, e.g. a photosynthetic function (CHLOROPLAST) or a storage function (AMYLOPLAST).
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005