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Parasitology LAB > Nematodes > Flashcards

Nematodes Flashcards

1
Q

Females larger than males and have a_____ tail

Most nematodes are____
Males have____ tail with_____ for copulation

Sigemented/unsegmented?

A

straight tail

dioecious

curved/spicules

Unsegmented

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2
Q

________worms measuring from a few mm to a meter in length

A

Round elongated

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3
Q

Do they have a complete digestive tract (mouth to anus)???

A

YESS

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4
Q

Do they have a circulatory system???

A

No circulatory system

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5
Q

Found in the (3)

A

intestine, blood, and tissue

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6
Q

distribution

A

Worldwide

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7
Q

APHASMID (anterior)
(CaTT)

A

Trichinella spiralis
Trichuris trichiura
Capillaria philippinensis

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8
Q

PHASMID (posterior)
(FEASH)

A

Filarial worms
Enterobius vermicularis
Ascaris lumbricoides
Strongyloides stercoralis
Hookworms

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9
Q

Small Intestine (CHATS)

A

Capillaria philippinensis
Hookworms
Ascaris lumbricoides
Trichinella spiralis
Strongyloides stercoralis

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10
Q

Large Intestine (TE)

A

Trichuris trichiura
Enterobius vermicularis

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11
Q

Tissue Nematodes (BOLD Girl, WuT?)

A

Brugia malayi
Onchocerca volvulus
Loa loa
Dirofilaria immitis
Gnathostoma spinigerum
Wuchereria bancrofti
Trichinella spiralis

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12
Q

Larva Migrans (DAAA)

A

Dracunculus medinensis
Angiostrongylus cantonensis
Ancylostoma caninum
Ancylostoma braziliense

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13
Q

are characterized to have long, thin, cylindrical, and unsegmented bodies with anterior mouths and longitudinal digestive tracts.

A

Nematodes (roundworms)

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14
Q

They have a fluid-filled internal body cavity (___________) which acts as a hydrostatic skeleton providing rigidity (so-called ‘tubes under pressure’).

A

pseudocoelum

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15
Q

Worms use______ muscles to produce a sideways thrashing motion.

A

longitudinal

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16
Q

Nematodes have been traditionally divided broadly into the Phasmidea and the Aphasmidea, depending on whether caudal sense organs called______ or ______, which are sensory receptors that detect certain chemical stimuli from the environment are present or not.

In aphasmids, phasmids are absent or few in number.

A

chemoreceptors or chemosensors

Parasitology LAB (37 decks)

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