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Microbiology lab > Parasitology Vocabulary > Flashcards

Parasitology Vocabulary Flashcards

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Biology 101 flashcards
1
Q

Symbiosis

A

two different types of organisms living together

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2
Q

Mutualism

A

two organisms of different species live in a relationship where both benefit

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3
Q

Commensalism

A

relationship where one organism benefits and the other does not, but is not harmed

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4
Q

Parasitism

A

a relationship in which one organism lives off another (host) and causes harm to the host

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5
Q

Host

A

any organism that supports another organism

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6
Q

Definitive host (Kingdom Protista)

A

the host in which the parasite undergoes sexual reproduction

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7
Q

Definitive host (Kingdom Animalia)

A

the host in which the adult worm is found

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8
Q

Intermediate host (Kingdom Protista)

A

the host in which the parasite undergoes asexual reproduction

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9
Q

Intermediate host (Kingdom Animalia)

A

the host in which the juvenile form of the worm is found

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10
Q

Reservoir host

A

infected organism (usually an animal) which makes the parasite available for transmission to other hosts

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11
Q

Ectoparasite

A

a parasite that lives on the outer surface of the host; ticks, lice, fleas

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12
Q

Endoparasite

A

a parasite that lives inside the host; tapeworm, Giardia, Plasmodium

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13
Q

Biological vector

A

an organism in which the parasite undergoes part of its lifecycle and then transmits the parasite to another organism; female ANOPHELES mosquito

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14
Q

Mechanical vector

A

an organism that transmits a parasite, but is not part of the parasites life cycle, for example flies, roaches, rodents

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15
Q

Hermaphrodite

A

animal that has both male and female reproductive organs

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16
Q

cyst

A

spore like stage of protozoa; thick wall-resistant to unfavorable environment

17
Q

trophozoite

A

active, motile, feeding stage of protozoa

18
Q

oocyst

A

cyst form in genus PLASMODIUM, CRYPTOSPORIDIUM and TOXOPLASMA

19
Q

Nematodes

A

round worms, such as ASCARIS and ENTEROBIUS, and hookworms

20
Q

Microfilariae

A

thread-like roundworm

21
Q

larva plural is larvae

A

juvenile form of a worm

22
Q

ova

A

egg

23
Q

platyhelminthes

A

flat worms, such as trematodes (flukes) and cestodes (tapeworms)

24
Q

Cysticerci

A

larval stage of tapeworms, containing a single scolex within a thin walled bladder

25
Q

Cercaria

A

free swimming larval stage of trematodes (flukes)

26
Q

Metacercaria

A

encysted stage of flukes

Microbiology lab (12 decks)

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