one of the toxic pyrrolizidine alkaloids in Echium plantagineum.
a toxic alkaloid in Cynoglossum officinale.
a genus of flukes of the family Echinostomatidae. Includes E. perfoliatus (in intestines of carnivores).
genus of grasses in the family Poaceae. Mostly good forage plants but linked anecdotally with outbreaks of primary photosensitization, in grazing ruminants. Toxin unidentified but some plants contain high concentrations of nitrate. Includes E. crus-galli (barnyard grass, Japanese millet), E. pyramidalis (antelope grass), E. utilis.
an infection of humans and animals, usually of the liver or lungs, caused by the larval stage (hydatid cysts) of tapeworms of the genus Echinococcus, marked by the development of expanding cysts. See also hydatid disease.
a genus of small tapeworms of the family Taeniidae.
E. granulosus a species parasitic in dogs and wolves and occasionally in cats; its larvae may develop in ungulates and macropods, forming hydatid cysts in the liver, lungs, kidneys and other organs.
E. multilocularis a species whose adult stage usually parasitizes the fox, dog and cat. It resembles E. granulosus, but the larvae form a...
a crenated erythrocyte with 10 to 30 spicules; resembles a sea urchin.
the spiny rat mite, transmitter of Hepatozoon spp., the protozoan blood parasite. A mite of the Gamasidae family. Called also lelapid mite.
a genus of the fluke family Echinostomatidae.
E. paraulum see echinostoma revolutum.
E. recurvatum occurs in the small intestine of doves, pigeons and domesticated birds, and can cause emaciation and anemia.
lice of pinnipeds (seals, walrus and sealions).
E. horridus cause pruritus and self-injury.