Pthirus

Pthirus definition - medical

Pthir·us (thĭrˈəs, thīˈrəs)

noun
A genus of parasitic lice of the family Pediculidae, formerly grouped in the genus Pediculus, the main species of which is the crab louse.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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