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Immunology > Parasitology Basic Terms > Flashcards

Parasitology Basic Terms Flashcards

1
Q

Egg

A

Product of sexual reproduction by adult worms, contains embryonated prelarval form

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2
Q

Symbiosis

A

A relationship of distinct organisms (species) in close association with one another

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2
Q

Cyst

A

Dormant stage found encysted in host (intermediate or definitive)

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3
Q

Miracidium

A

Alternative name for larvae

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4
Q

Cyst, Hydatid

A

Specialized cysticercal form of the cestode Echinococcus grandulosus found in the intermediate host

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5
Q

Rhabditiform

A

Alternative name for larvae

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6
Q

Mutualism

A

Symbiosis that benefits both organisms

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6
Q

Incidental (accidental) host

A

Host is not an obligate part of the parasite life cycle

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7
Q

Metacercaria

A

Alternative name for larvae

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8
Q

Sporocyst

A

Alternative name for larvae

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9
Q

Unicellular endoparasite

A

protozoan

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10
Q

Microfilariae

A

Alternative name for larvae

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10
Q

Cercaria

A

Alternative name for larvae

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11
Q

Larva

A

Immature post-ovum (pre-adult) form

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12
Q

Incidence

A

new infections in a susceptible population per unit of time

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13
Q

Cysticercus

A

Encysted cestode larval form in tissues of infected intermediate hosts (humans/pork tapeworm)

14
Q

Parasitism

A

Symbiosis that benefits organism and is harmful for the other (parasite vs host)

15
Q

Intermediate host

A

Host in which asexual reproduction or development occurs

16
Q

Schistosomula

A

Alternative name for larvae

18
Q

Definitive host

A

Host in which the sexual stage of a parasite life cycle occurs

19
Q

Epidemiology

A

the study of the factors and conditions that control disease transmission

20
Q

Multicellular worms

A

helminths

22
Q

Prevalence

A

disease intensity in a given area (% susceptible population), sporadic vs endemic vs epidemic

23
Q

Geographic distribution

A

the maximum global extent of a disease regardless of intensity

25
Q

Vector host

A

A host species that transmits an infectious form of the parasite to another host species

26
Q

Filariform (infectious)

A

Alternative name for larvae

27
Q

Reservoir host

A

Animal hosts that maintain the natural cycle in the wild, often are not really harmed by the carriage

28
Q

Commensal

A

Symbiosis that benefits one organism and is neutral for the other

Immunology (9 decks)

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