Cell Biology. a specialized part of a cell having some specific function; a cell organ.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use organelle in a sentence
An organelle is a structure inside a cell that has a specific job.
It’s not clear yet how frequently this kind of horizontal genome transfer through organelle migration occurs in nature.Plant Cells of Different Species Can Swap Organelles | Viviane Callier | January 20, 2021 | Quanta Magazine
Once inside the cell, an organelle called a ribosome reads the mRNA sequence and translates it into a protein.
When these energy-producing organelles are exposed to altered gravity or radiation, they essentially malfunction.Spaceflight affects the human body in two major, peculiar ways | Paola Rosa-Aquino | November 25, 2020 | Popular-Science
This is a specialized structure, or organelle, in a plant cell.
British Dictionary definitions for organelle
a structural and functional unit, such as a mitochondrion, in a cell or unicellular organism
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for organelle
A structure or part that is enclosed within its own membrane inside a cell and has a particular function. Organelles are found only in eukaryotic cells and are absent from the cells of prokaryotes such as bacteria. The nucleus, the mitochondrion, the chloroplast, the Golgi apparatus, the lysosome, and the endoplasmic reticulum are all examples of organelles. Some organelles, such as mitochondria and chloroplasts, have their own genome (genetic material) separate from that found in the nucleus of the cell. Such organelles are thought to have their evolutionary origin in symbiotic bacteria or other organisms that have become a permanent part of the cell.
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