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zoo p2 slay uno huhuhu > Mod 10 (tbc; table of parasites) > Flashcards

Mod 10 (tbc; table of parasites) Flashcards

1
Q

Phylum Nematoda (level of complexity)

A

Organ-system grade

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2
Q

Organs are organized enough to form organ-systems

A

Organ-system grade

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3
Q

Excretory system has no protonephridia

A

Phylum Nematoda

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4
Q

Phylum Nematoda (Shape)

A

Cylindrical shape

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5
Q

Thick, noncellular outer covering made of collagen

A

Cuticle

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6
Q

Underlying epidermis that secretes the cuticle

A

Hypodermis

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7
Q

___ has a body cavity containing the organs, but does not have a structure called ____ which holds organs in place

A

Pseudocoelomate, peritoneum

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8
Q

Gut is ____ of species that belong to the Phylum Nematoda

A

Complete

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9
Q

Digestion is intracellular by phagocytosis of ____

A

Gastrodermal cells

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10
Q

Phylum Nematoda (Nervous System)

Found around head and tail

A

Sensory papillae

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11
Q

Phylum Nematoda (Nervous System)

Pair of complex sensory organs that open on each side of the head, which enters into a pore with dendrites

A

Amphids

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12
Q

Phylum Nematoda (Nervous System)

Similar to amphids but found in posterior end

A

Phasmids

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13
Q

Neddle-like mating structures found in posterior end of males to facilitate transfer of sperm

A

Copulatory spicules

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14
Q

The most common and well studied free-living nematode

A

Caenorhabditis elegans

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15
Q

Often large, parasitic nematodes; The worms can only mature and reproduce in the intestines of their specific host

A

Intestinal Roundworms

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16
Q

The most common nematode parasite in humans

A

Ascaris lumbricoides

17
Q

Ascaris lumbricoides (Mode of Transmission)

A

Feco-oral

18
Q

Looks similar to A. lumbricoides, but it is spread by pigs (but can also infect humans)

A

Ascaris suum (large roundworm of pigs)

19
Q

Life-cycle similar to Ascaris, but juveniles do not migrate to other organs in the dog and just stay in the digestive tract

A

Toxocara canis (Intestinal Roundworm of Dogs)

20
Q

Intestinal roundworm of cats

A

Toxocara cati

21
Q

Small nematodes; their anterior end curves, giving it hook-like appearance; Worms only mature in the intestines of their host

A

Hookworms

22
Q

Heavy infections can lead to anemia and bloody diarrhea, and larvae penetrates the skin

A

Necator americanus (Human hookworm)

23
Q

Canine hookworm

A

Ancylostoma caninum

24
Q

Small nematodes that tends to curl into a spiral

A

Trichina Worms

25
Q

Tiny nematode. Mode of transmission is eating raw/undercooked pork with encysted juveniles

A

Trichinella spiralis (Trichina worm of pork)

26
Q

Small intestinal nematodes with a characteristic pointed tail, giving it a “pin-like” appearance

A

Pinworms

27
Q

Most common nematode parasite in children, but causes relatively little disease except for being an annoyance

A

Enterobious vermicularis

28
Q

Long, thin nematodes that invades the circulatory and lymphatic system of their host

A

Filarial Worms

29
Q

Humans are infected when bitten by mosquito carrying the infectious larval stage. The larva will travel through the circulatory system and the enter the lymphatic system to become adults.

A

Wuchereia bancrofti (Human filarial worm)

30
Q

Causative agent of Dirofilariasis/Heartworm in dogs

A

Dirofilaria immitis (Canine Heartworm)

31
Q

This shed throughout the growth of the worm

A

Cuticle

32
Q

This is present only in parasitic nematodes

A

Phasmids

33
Q

This type of nematode has mouth plates which allows them to bite through intestinal walls

A

Hookworms

34
Q

What do you call the larval form of filarial worms?

A

Microfilaria

35
Q

This structure is present in male nematodes and assists in the transfer of sperm

A

Spicules

36
Q

___ = thread

A

nematos

zoo p2 slay uno huhuhu (5 decks)

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