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Anti-Parasitics
Chapter 13
| Question | Answer |
|---|---|
| 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, and 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 function 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. |