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28 Cards in this Set
- Front
- Back
Any assoc. wither temp. or permenant between at least two living organisms of different species?
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Symbiosis
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Each member of symbiosis
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Symbiont
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What are the 5 types of Symbiotic?
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1. Predator-Prey
2. Phoresis 3. Mutalism 4. Commensalism 5. Parasitism |
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One symbiotic benefits at the expense of the other.
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Predator/Prey
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The smaller member of the symbiotic relationship is mechanically carried about by the larger member.
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Phoresis
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Give example of the phoresis symbiotic relationship.
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Infections of pink eye is carried to another by foot pads.
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An Assoc. in which both organisms benefit?
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Mutalism
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One symbiont benefits and the other neither benefits nor is harmed.
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Commensalism
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An assoc. between 2 organisms of diff. species in which one lives on or w/in the other member and may cause harm. Parasite is dependent on the host.
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Parasitism
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The parastie is present on o w/in the host and is potentially pathogenic (harmful).
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Parasitiasis
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The animal does not exhibit any outward signs of disease EX: Swine may carry roundworm in GI Tract. but will not exhibit outward clinical signs
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Parasitiasis
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Parasite is present on or w/in the host and does produce obvious injury or harm to the animal.
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Parasitosis
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Parasite lives on the body of the host. EX: Fleas on dogs. Will produce and infestation on the host.
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Ectoparasite
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A parasite that lives w/in the host. This will produce and infection in the host. EX: Heartworms
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Endoparastie
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A Parasite that wander from its usual site of infection into and organ or another that is does not ordinarily live. EX: hookworm in the liver
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Erratic Aberrant
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A parasite that occurs in a host in which it does not live. EX: human becoming infected with the larval stages of the canine heartworm
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Incidental Parasite
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Organisms that are ordianry free living in nature,however, they become parasitic in certain hosts. EX: soil roundworm penetrating the skin of cattle and dogs that lie in the soil.
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Faculative Parasite
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A parasite that must lead a parasitic existence will usually affect domesticated animals
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Obligatory parasite
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Parasite that does no have to live on or within a host, will make visits to a host to obtain food or for other benefit.EX: Fem. mosquito sucks blood for egg develpment.
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Periodic Parasite.
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The host that harbore the adult,sexual, or mature stages of the parasite.
EX: dog-heartworm mature heartwoms are found in the right ventricle and pulmonary arteries. |
Definite Host
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The host that harbors the larval, juvenile, immature, or asexual stages of the parasite. Host will transfer the parasite from one definite host to another.
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Intermediate Host
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Parasite that does not undergo any development but remains encysted w/in the host tissues. Larvae will remain in this state until the definite host eats the transport host.
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Transport Paratenic Host
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A vertebrae host in which a parasite or disease occurs in nature. Host is a source of infection for humans and domesticated animals.
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Reservoir Host
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One that will only affect one type of host.
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Homoxenous Parasite
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A parasite with a narrow host range.
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Stenoxenous Parasite
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Parasite with a very broad range of host.
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Euryxenous Parasite
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Any disease or parasite that is transmissible from animals to humans.
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Zoonosis
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Vet Parasitology concerned with what two kingdoms?
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1. Animalia: contains, Platyhelminths(flat worms, tapeworms, roundworms, leeches, insects, mites, ticks and spiders).
2. Protista: contains protozoans |