Parasitology

Parasite Terms Parasite Ectoparasite Endoparasite Periodic   Permanent parasite Obligate Facultative parasite Pseudoparasite

Parasite/Host relations Symbiosis Mutualism    Parasitism Host Final/Definitive host Intermediate host Transport/Paratenic host

Reproduction Life Cycles Egg/Ova Cyst Larva Hermaphroditic Monecious Direct life cycle Indirect life cycle Egg/Ova Cyst   Larva   Hermaphroditic Monecious Dioecious   Oviparous Ovoviviparous   Viviparous

Transmission Directly eating an infective larva or egg. Eating the intermediate host.   The parasite actively penetrates the principal host. Becoming infected by means of the intermediate host. Eating the paratenic host. The parasite may be maternally transmitted

Fecal Examination Techniques Direct Smears Centrifugation Passive Fecal Flotation (Fecalyzer) Gross examination

Nematodes (roundworms) Ancylostoma (Hookworm) Host  Life Cycle Symptoms

Nematodes (roundworms) Toxocara (T. cati, T.canis) Host Life cycle Symptoms

Nematodes (roundworms) Dirofilaria imitis (Heartworm) Host Life cycle Symptoms

Nematodes (roundworms) Trichuris (Whipworm) Hosts Life Cycle Symptoms

Nematodes (roundworms) Large Strongyles (Strongylus Vulgaris, S. Edentatus, S. Equinus) Host Life Cycle Symptoms

Cestodes (tapeworms) Cestodes Host Life Cycle Symptoms

Trematodes (Flukes) Trematodes Host Life Cycle Symptoms

Protozoan Giardia Host Life Cycle Symptoms

External Parasites Fleas Host Life Cycle Symptoms They are vectors of several diseases including Bubonic plague, intermediate host for tapeworms, allergies, and typhus. Host Life Cycle Symptoms

External Parasites Lice Host Life Cycle Symptoms

External Parasites Mites Demodex Sarcoptes scabei (mange) Host Life Cycle Symptoms Sarcoptes scabei (mange) Life cycle Zoonotic

External Parasites Otodectes (ear mites) Host Life Cycle Symptoms