Phthirus


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Phthirus

 [thir´us]
a genus of lice. P. pu´bis is the pubic or crab louse, a species that infests human pubic hair and sometimes other hairy areas; see also pediculosis pubis.
Phthirus pu´bis the pubic louse or crab louse, a species that infests the pubic hair and sometimes other hairy areas of the body of humans. See also pediculosis 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]

Phthirus

/Phthir·us/ (thir´us) a genus of lice, including P. pu´bis (the pubic, or crab, louse), which infests the hair of the pubic region, and sometimes the eyebrows and eyelashes.

Phthirus

[thī′rəs]
Etymology: Gk, phtheir, louse
a genus of blood-sucking lice that includes the species P. pubis, the crab louse.
enlarge picture
Phthirus pubis grasping a hair
References in periodicals archive ?
Bacteria * Chlamydia trachomatis * Neisseria gonorrhoeae * Treponema pallidum * Haemophilus ducreyi * Calymmatobactenum granulomatosis * Mycoplasma hominis * Mycoplasma genitalum * Ureaplasma urealyticum Viruses * Human immunodeficiency virus * Herpes simplex virus types I and II * Human papilloma viruses * Hepatitis B virus * Hepatitis C virus * Molluscum contagiousum Virus Protozoa * Trichomonas vaginalis Ectoparasites * Sarcoptes scabiei * Phthirus pubis
Table 1 Organisms Commonly Transmitted by the Sexual Route Bacteria * Chlamydia trachomatis * Neisseria gonorrhoeae * Treponema pallidum * Haemophilus ducreyi * Calymmatobacterium granulomatosis * Mycoplasma hominis * Mycoplasma genitalum * Ureaplasma urealyticum Viruses * Human immunodeficiency virus * Herpes simplex virus types I and II * Human papillomaviruses * Hepatitis B virus * Hepatitis C virus * Molluscum contagiousum Virus Protozoa * Trichomonas vaginalis Ectoparasites * Sarcoptes scabiei * Phthirus pubis OVERVIEW OF THE EPIDEMIOLOGY OF BACTERIAL STDs CHLAMYDIA TRACHOMATIS Chlamydia is the most frequently reported of all communicable diseases in North America (CDC, 1996; CDC, 1993; Gully, 1992).