Ch 13 key terms

Question 1

Anthelmintic?

Answer 1

drug used to eliminate helminth parasites (roundworms) from a host

Question 2

Bots?

Answer 2

larvae of several fly species (Gastrophilius - horse bot)

Question 3

Cestode?

Answer 3

a tapeworm

Question 4

Ectoparasite?

Answer 4

a parasite that lives on the outside of the body of its host

Question 5

Endoparasite?

Answer 5

a parasite that lives inside the body of its host
- found in the GI tract
higher #’s of Endo’s for a horse could cause colic
higher #’s of Endo’s with puppies/kittens could be fatal anemia if not caught early

Question 6

Helminths?

Answer 6

parasite worms including nematodes, cestodes, and trematodes

Question 7

microfilaria?

Answer 7

a prelarval stage of filarial worm transmitted to the biting insect from the principle host (i.e., Dirofilaria immitis)

Question 8

nematodes?

Answer 8

parasitic worms; including intestinal roundworms, filarial worms, lungworms, kidney worms,and others

Question 9

Organophosphate?

Answer 9

a substance that can interfere with the function of the nervous system by inhibiting the enzyme cholinesterase

Question 10

parasitiasis?

Answer 10

a condition in which an animal harbors an endoparasite or an ectoparasite, and clinic signs of infection or infestation are not evident

Question 11

parasitosis?

Answer 11

a condition in which an animal harbors an endoparasite or an ectoparasite, and clinic signs of infection or infestation are evident

Question 12

symbiosis?

Answer 12

two living organisms of different species living together

Question 13

trematode?

Answer 13

any parasite organism belonging to the class Trematoda, including flukes

Question 14

aberrant?

Answer 14

a parasite that may wander from its normal location in the host’s body to another location where it does not normally live

Question 15

Linnaean classification scheme?

Answer 15

(kindom, phylum, class, order, family, genus, species