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Parasitology exam 4 > Key terminology > Flashcards

Key terminology Flashcards

1
Q

Oviviparous

A

Live birth of eggs
hatch inside nematode
birth live larva

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2
Q

Microfilaria

A

L1
circulate in blood stream

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3
Q

Periodicity

A

periodic increase in peripheral capillary blood of the embryo of filariae
(W. bancrofti)

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4
Q

Lymphedema

A

tissue swelling of lymphatic vessels

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5
Q

Hydrocoele

A

Swelling of scrotum (W. bancrofti)

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6
Q

Chyluria

A

late stage, chyle in urine, cloudy urine, lymphatic fluid (W. bancrofti)

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7
Q

Calabar swelling

A

Under eye swelling (loa loa)

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8
Q

oncocercoma

A

one pocket of swelling under eye (O. volvulus)

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9
Q

Immiticide

A

Treatment for D.medinensis (guinea worm) , arsenic based and kills adult

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10
Q

Obligate parasite

A

Need host to complete life cycle (nematomorpha/horse hair worms)

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11
Q

Gordian knot

A

no ends and can’t untie (nemattomorpha)

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12
Q

Coelozoic

A

site specific myxozoa’s, body cavity/ visceral organs

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13
Q

Histozoic

A

tissue and between cells (myxozoa)

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14
Q

Myxospores

A

in fish inter hosts, asexual

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15
Q

actinospore

A

in oligochaete def host, sexual

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16
Q

Acanthor larva

A

burrows in gut wall, acanthocephalan

17
Q

cystacanth larva

A

in body cavity (hemoceal), in inter host (arthropod)

18
Q

Uterine bell

A

sorts eggs that enter and only allows those that have matured into the correct size and shape to pass on through to the uterus, acanthocephalans

19
Q

Copulatory bursa

A

wraps around female (acanthocephelans)

20
Q

Cement gland

A

“chastity belt”

21
Q

Copulatory belt

A

Prevents other males from mating w female acanthoceph

22
Q

Hypostome

A

Tick mouth, recruved hooks, teeth cut into vessels and suck pooled blood

23
Q

Questing

A

Ticks scale blades of grass and wiggle to find host (Ixodidae)

24
Q

Bullseye

A

Immune response rings from tick bite

25
Q

Masting behavior

A

Oak tress over produce acorns, causes increase of lyme

26
Q

Keystone parasite

A

effect keystone species (V.destructor/ honeybee)

27
Q

Haplodiploid

A

sex-determination system in which males develop from unfertilized eggs and are haploid, and females develop from fertilized eggs and are diploid (V.destructor)

28
Q

Nauplius larva

A

free active swimming larva, 3 appendages, (crustacea)

29
Q

Bot

A

Larval stage of bot fly

Parasitology exam 4 (4 decks)

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