Linguatula serrata

Lin·guat·u·la ser·ra·'ta

a species most common in Europe, but also found in the U.S., South America, and probably elsewhere; the adult is a whitish, soft, flattened, anulated worm equipped with hooks by which it attaches itself to the nasal mucosa of dogs and other canids; the larvae develop in the liver and lymph nodes of rodents, swine, cattle, and sometimes humans and other primates.
Synonym(s): Linguatula rhinaria

Linguatula serrata

(ling-gwa′chŭ-lă se-rāt′ă)
An arthropod parasite in snakes, commonly known as the tongue worm. Its larvae, nymphs, and adults occasionally infect humans. Ingested infective larvae migrate to the nasal passages and may cause a parasitic nasopharyngeal obstruction known as linguatulosis.


a genus of parasites in the class Pentastomida.

Linguatula serrata
adults occur in the nasal cavities of canines and larvae in mesenteric lymph nodes of the horse, goat, sheep and rabbit. Causes sneezing and a bloody nasal discharge. The larval stages may be confused with tuberculosis.
References in periodicals archive ?
Human visceral pentastomiasis can be caused by several species of pentastomes: Linguatula serrata (worldwide, predominantly the Middle East), A.
La linguatulosis es una enfermedad parasitaria zoonotica, producida por Linguatula serrata (Acha y Szyfres, 2003).
7%, basandose en la presencia de ninfas de Linguatula serrata.
Linguatulosis caused by Linguatula serrata (Pentastomida: Linguatulidae) which is entitled "tong-worm" is a cosmopolitan, zoonotic infection (Sadeghi-Dehkordi et al.
Prevalence of Linguatula serrata numphs in mesenteric lumph nodes of cattle and buffaloes slaughtered in Ahvaz Abattoir, Iran.
Linguatula serrata and Armillifer armillatus were associated with 99% of the reported cases of human pentastomiasis (Drabick, 1987; Pare, 2008).
La linguatulosis o pentastomiosis es una zoonosis parasitaria causada por dos especies parasitarias: Linguatula serrata y Armillifer armillatus (Acha y Szyfres, 2003).
El ganado bovino beneficiado para consumo humano en los camales de Lima presenta infeccion por ninfas de Linguatula serrata, representando un potencial factor de riesgo, pues su presencia en ganglios linfaticos sugiere que podrian encontrarse en otras localizaciones (higado, pulmones).
More severe manifestations similar to parasitic pharyngitis caused by Fasciola hepatica or Linguatula serrata seem to be absent, although 1 patient had symptoms of asphyxia (9).
The species Linguatula serrata belongs to the Pentastomida, a still-enigmatic group of worm-like, bloodsucking parasites that inhabit the upper respiratory tract of terrestrial, carnivorous vertebrates, mostly reptiles and birds; L.
crotali and Linguatula serrata (18S rRNA only as no cox entry existed).
Of the many pentastomid species, only a few, including Linguatula serrata, infect humans.