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28 Cards in this Set

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Any assoc. wither temp. or permenant between at least two living organisms of different species?
Symbiosis
Each member of symbiosis
Symbiont
What are the 5 types of Symbiotic?
1. Predator-Prey
2. Phoresis
3. Mutalism
4. Commensalism
5. Parasitism
One symbiotic benefits at the expense of the other.
Predator/Prey
The smaller member of the symbiotic relationship is mechanically carried about by the larger member.
Phoresis
Give example of the phoresis symbiotic relationship.
Infections of pink eye is carried to another by foot pads.
An Assoc. in which both organisms benefit?
Mutalism
One symbiont benefits and the other neither benefits nor is harmed.
Commensalism
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.
Parasitism
The parastie is present on o w/in the host and is potentially pathogenic (harmful).
Parasitiasis
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
Parasitiasis
Parasite is present on or w/in the host and does produce obvious injury or harm to the animal.
Parasitosis
Parasite lives on the body of the host. EX: Fleas on dogs. Will produce and infestation on the host.
Ectoparasite
A parasite that lives w/in the host. This will produce and infection in the host. EX: Heartworms
Endoparastie
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
Erratic Aberrant
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
Incidental Parasite
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.
Faculative Parasite
A parasite that must lead a parasitic existence will usually affect domesticated animals
Obligatory parasite
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.
Periodic Parasite.
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
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.
Intermediate Host
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.
Transport Paratenic Host
A vertebrae host in which a parasite or disease occurs in nature. Host is a source of infection for humans and domesticated animals.
Reservoir Host
One that will only affect one type of host.
Homoxenous Parasite
A parasite with a narrow host range.
Stenoxenous Parasite
Parasite with a very broad range of host.
Euryxenous Parasite
Any disease or parasite that is transmissible from animals to humans.
Zoonosis
Vet Parasitology concerned with what two kingdoms?
1. Animalia: contains, Platyhelminths(flat worms, tapeworms, roundworms, leeches, insects, mites, ticks and spiders).

2. Protista: contains protozoans