Antiparasitic Flashcards
Anthelmintic
Drug used to eliminate helminth parasites (e.g.: roundworms) from a host.
Bots
Larvae of several fly species (e.g.: Gasterophilus [horse bot]).
Caval syndrome
A life-threatening condition caused by a large number of heartworms lodged in the vena cava, right atrium, or right ventricle.
Ectoparasite
A parasite that lives on the outside body surface of its host.
Endoparasite
A parasite that lives inside the body of its host.
Helminths
Parasitic worms, including nematodes, cestodes, and trematodes.
Microfilaria
A prelarval stage of a filarial worm transmitted to the biting insect from the principal host (e.g.: filarial stage of Dirofilaria immitis).
Nematodes
Parasitic worms, including intestinal roundworms, filarial worms, lungworms, kidney worms, heartworms, and others.
Organophosphate
A substance that can interfere with the functioning of the nervous system by inhibiting the enzyme cholinesterase.
Parasitiasis
A condition in which an animal harbors an endoparasite or an ectoparasite but no clinical signs of infection or infestation are evident.
Parasitosis
A condition in which an animal harbors an endoparasite or an ectoparasite and clinical signs of infection or infestation are evident.
Symbiosis
Two living organisms of different species living together.
Vermicide
A drug that kills internal parasites.
Vermifuge
A drug that paralyzes the internal parasite and gets expelled from the gastrointestinal tract into the feces.
Wolbachia
A gram-negative intracellular bacteria living in the body of both the immature and adult heartworms; they play an important role in the worm’s survival and pathogenesis of the disease.
