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Definition: 'Pilus'

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pilus

Type: Term

Pronunciation: pī′lŭs, pī′lī

Definitions:
1. A fine filamentous appendage, somewhat analogous in function to the flagellum, which occurs on some bacteria. Although they can be chemically similar to flagella, pili consist only of protein and are shorter, straighter, and more numerous. Specialized pili (F pili, I pili, and other conjugative pili) seem to mediate bacterial conjugation and bacterial attachment to host cells during the infective process.

Synonyms: hair1, fimbria2



The information shown above for pilus is provided by Stedman's.

* Stedman's, part of Lippincott Williams & Wilkins, provide a comprehensive line of health-science publications for healthcare professionals and medical students.

Medical Dictionary Copyright © 2006 Lippincott Williams & Wilkins. All rights reserved.








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