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Parasites > Terms > Flashcards

Terms Flashcards

1
Q

Parasite

A

organism infecting the host

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2
Q

Host

A

the animal infected with a parasite

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3
Q

Definitive host

A

a host in which the sexual reproduction of the parasite occurs

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4
Q

Intermediate host

A

a host in which development, but not sex repro, of the parasite occurs

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5
Q

Paratenic host

A

host in which parasite doesn’t undergo further development, usually remains in cyst until DH eats it

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6
Q

Prepatent period

A

time from infection to when diagnostic stages can be recovered from a DH

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7
Q

Patent period

A

time period in which the parasite can be detected

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8
Q

Endoparasite

A

lives within the host body

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9
Q

Infection

A

parasitism by an endoparasite

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10
Q

Ectoparsite

A

lives on the outside of the host

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11
Q

Infestation

A

parasitism by an ectoparasite

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12
Q

Obligate parasite

A

must live as a parasite

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13
Q

Facultative parasite

A

can become parasitic if need exists

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14
Q

Continuous parasite

A

always on host

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15
Q

Intermittent parasite

A

come and go

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16
Q

Hyperparasitism

A

parasite living inside of a parasite

17
Q

Parasitiasis

A

doesn’t cause outward sign of disease

18
Q

Parasitosis

A

causes outward disease

19
Q

Direct lifecycle

A

completed within one host

20
Q

Indirect lifecycle

A

requires more than one host to complete lifecycle

21
Q

Incidental parasite

A

parasite in a host in which it does not normally live

22
Q

Erratic parasite

A

parasite that has wandered into an organ or tissue in which it does not normally live

23
Q

Pseudoparasite

A

object that is mistaken for a parasite

24
Q

Periodic parasite

A

parasite that makes short visits to its host

25
Q

Reservoir host

A

vertebrate host in which a parasite occurs naturally which is a source of infection

26
Q

Homoxenous parasite

A

parasite that has only one type of host - DH

27
Q

Heteroxenous parasite

A

parasite that has more than one type of host - IH & DH

28
Q

Stenoxenous parasite

A

parasite that has a narrow host range

29
Q

Euryxenous parasite

A

parasite with a wide host range

30
Q

Direct lifecycle

A

no IH in life cycle

31
Q

Indirect lifecycle

A

one or more IH in life cycle

Parasites (2 decks)

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