Thelazia

Thelazia /The·la·zia/ (the-la´zhah) a genus of nematode worms parasitic in the eyes of mammals, including, rarely, humans.

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The·la·zi·a (th-lz-)

n.

A genus of spiruroid nematodes that inhabit the lacrimal ducts and surface of the eyes of various domestic and wild animals but rarely of humans.

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Thelazia

a genus of spiruroid worms in the family Thelaziidae. They are all parasites of the lacrimal duct or conjunctival sac of mammals and birds. The larvae are deposited in the conjunctival sac by the intermediate host, Musca spp. flies. Causes thelaziasis.

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Thelazia alfortensis

found in cattle.

Thelazia bubalis

found in water buffalo.

Thelazia californiensis

occurs in cat, dog, humans, sheep and deer.

Thelazia callipaeda

occurs in dog, rabbit and humans.

Thelazia erschowi

found in pig.

Thelazia gulosa

found in cattle.

Thelazia lacrymalis

found in horses.

Thelazia leesi

found in dromedary.

Thelazia rhodesii

found in cattle, but also sheep, goat, buffalo.

Thelazia skrjabini

found in cattle.