Definition of Organelle

1. Noun. A specialized part of a cell; analogous to an organ. "The first organelle to be identified was the nucleus"

Exact synonyms: Cell Organ, Cell Organelle
Group relationships: Cell
Specialized synonyms: Cilium, Lysosome, Cell Nucleus, Karyon, Nucleus, Nucleole, Nucleolus, Chondriosome, Mitochondrion, Centriole, Ribosome
Generic synonyms: Organ

Definition of Organelle

1. Noun. (cytology) A specialized structure found inside cells that carries out a specific life process (''e.g.'' ribosomes, vacuoles). ¹

¹ Source:

Definition of Organelle

1. [n -S]

Medical Definition of Organelle

1. A structurally discrete component of a cell. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Organelle Pictures

Click the following link to bring up a new window with an automated collection of images related to the term: Organelle Images

Lexicographical Neighbors of Organelle

organ transplants
organa oculi accessoria
organa sensuum
organa urinaria
organelle (current term)
organic acid
organic brain syndrome
organic catalyst
organic chemicals
organic chemist
organic chemistry
organic compound
organic compounds
organic contracture
organic deafness
organic debris
organic delusions

Literary usage of Organelle

Below you will find example usage of this term as found in modern and/or classical literature:

1. Inside the Cell by Maya Pines (1990)
"Endoplasmic Reticulum—An organelle made up of membranes that form a system of ... Golgi Apparatus—An organelle composed of membranous sacs that packages ..."

2. A Lifelong Passion: Nicholas and Alexandra: Their Own Story by Andrei Maylunas (2005)
"Therefore, lambda 0, is hypothesized to be an estimate of organelle motility. It was found to be the same in S and in NS, ..."

3. Molecular Neurobiology: Proceedings of the 2nd NIMH Conference by Steven Zalcman (1995)
"Second, the unique protein composition of synaptic vesicles demonstrates that they represent an organelle that is truly separate from other cellular ..."

4. Reviews in Environmental Health (1998): Toxicological Defense Mechanics edited by Gary E. R. Hook, George W. Lucier (2000)
"This method has been successful in detecting a significant reduction in bidirectional organelle flux induced by vinblastine, an antimicrotubule drug that ..."

5. Science by American Association for the Advancement of Science (1883)
"Hybridization studies have shown that ribo- somal RNA probably originates from organelle DNA, not from nuclear DNA as in eucaryotic systems (25). ..."

6. Directory of Federal Laboratory and Technology Resources: A Guide to (1993)
"By choosing appropriate wavelengths that match specific natural or applied chromophores, it is possible to selectively alter a small part of an organelle or ..."

7. Proceedings of the second Pan American scientific congress: Washington, U. S by Glen Levin Swiggett (1917)
"... a swollen axial intracytoplasmic flagellum forming a powerful motor organelle used in locomotion on the substrate; (4) the parabasal body, ..."

8. Hearts and Arteries: What Scientists Are Learning About Age and the by Caroline McNeil (1996)
"Each myocyte has a structure, or organelle, that stores calcium. Called the sarcoplasmic reticulum, it releases calcium into the inner fluid before ..."

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