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VET 221 Week 2
Endoparasite classes and nematodes
Question | Answer |
---|---|
Endoparasites | live within the host's body |
Definitive host (DH) | Harbors adult stage |
Intermediate host (IH) | Harbors larval, immature, or asexual stage |
Excreta | urine, feces, saliva, reproductive fluids |
Nematodes | Helminths |
Trematodes & cestodes | Platyhelminths |
Nematodes are also known as ____ and their bodies are _____ | roundworm; unsegmented |
Prepatent period | The interval between infection of an individual by a parasitic organism and the first ability to detect from that host a diagnostic stage of the organism. |
Nematodes are diagnosed through _____ | fecal exam |
Prenatal ascarid transmission | Infective larvae are dormant until the female becomes pregnant releasing hormones and activating the larvae |
Transport host | bird or rodent that ingests infective egg which then spreads it to the surrounding environment |
Exposure to ____ is the only thing that will kill ascarid eggs. | flame |
Ascarid infestations can cause a ______ appearance. | pot-bellied |
Ascarids can be seen as _____ worms in fecal or vomitus. | spaghetti-like |