Pthirus


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Related to Pthirus: Pthirus pubis

Pthirus

(thī'rŭs), Avoid the misspellings Phthirus and Phthirius.
A genus of lice (family Pediculidae) formerly grouped in the genus Pediculus. The main species is Pthirus pubis (formerly Pediculus pubis), the crab or pubic louse, a parasite that infests the pubes and neighboring hairy parts of the body.
[irreg. fr. G. phtheir, louse]

Pthir·us

(thir'ŭs)
A genus of lice formerly grouped in the genus Pediculus. The main species is P. pubis, the crab or pubic louse, a parasite that infests the pubes and adjacent hairy parts of the body. usage note Often incorrectly spelled Phthirus or Phthirius.
[irreg. fr. G. phtheir, louse]