cyclosis

cyclosis

[sahy-kloh-sis]
noun, plural cycloses [sahy-kloh-seez] . Biology.
the movement of protoplasm within a cell.

Origin:
1825–35; < Greek kýklōsis an encircling. See cycl-, -osis

pseudocyclosis, noun, plural pseudocycloses.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To cyclosis
Collins
World English Dictionary
cyclosis (saɪˈkləʊsɪs)
 
n , pl -ses
biology the circulation of cytoplasm or cell organelles, such as food vacuoles in some protozoans
 
[C19: from Greek kuklōsis an encircling, from kukloun to surround, from kuklos circle]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary

cyclosis cy·clo·sis (sī-klō'sĭs)
n. pl. cy·clo·ses (-sēz)
The streaming rotary motion of protoplasm within certain cells and one-celled organisms.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Encyclopedia Britannica
Encyclopedia

cyclosis

the movement of the fluid substance (cytoplasm) within a plant or animal cell. The motion transports nutrients, proteins, and organelles within cells. First discovered in the 1830s, the presence of cytoplasmic streaming helped convince biologists that cells were the fundamental units of life.

Learn more about cyclosis with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
Cite This Source
Related Words
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature