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the quality of being analogous; resemblance or similarity in function or appearance, but not in origin or development.

Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.



n. pl. analo·gies

Biology Correspondence in function or position between organs of dissimilar evolutionary origin or structure.

The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.


(a-nal’o-je) [Gr. analogos, analogy, proportion]

1. Likeness between similar features of two things, allowing a comparison.

2. In biology, similarity in function but difference in structure or origin.

See: homology

Medical Dictionary, © 2009 Farlex and Partners

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