Definition of "organelle" []

• A differentiated structure within a cell, such as a mitochondrion, vacuole, or chloroplast, that performs a specific function. (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.

• "You would conjecture that some organelle is designed, say."
• "This organelle is called the flagellum, made of a rotary motor and a thin helical filament that grows up to about 15 micron."
• "Let me say here only that this organelle is exquisitely sensitive to light, to gravity, to stretch, and to a stimulus which we believe to be olfactory, and illustrate it with a few slides."
• "You would conjecture that some organelle is designed, say."
• "This organelle is called the flagellum, made of a rotary motor and a thin helical filament that grows up to about 15 micron."
• "Let me say here only that this organelle is exquisitely sensitive to light, to gravity, to stretch, and to a stimulus which we believe to be olfactory, and illustrate it with a few slides."