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AA4 VPARA Helminthology > Tapeworms > Flashcards

Tapeworms Flashcards

1
Q

Known as Pseudotapeworms

A

Order Cotyloda or Pseudophyllidea

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2
Q

Know as the true tapeworms

A

Order Eucestoda or Cyclophyllidea

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3
Q

egg shedding of pseudophyllidae is through

A

uterine pore

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4
Q

organ of attachment of cyclophyllidea

A

suckers and rostellum

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5
Q

structures that develop once the uterus disappers by degeneration

A

paruterine organs

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6
Q

present in the integument which is the primary organ for absorption of food

A

microtriches

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7
Q

organ of attachment of pseudophyllidea

A

bothria

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8
Q

a fully embyronated egg of cestodes cotain

A

oncosphere

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9
Q

the metameric repetition of reproductive organs

A

proglottidization

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10
Q

it is an hexacanth embryo with 3 hook pairs found at the center of a fully developed cestode egg

A

oncosphere

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11
Q

egg hatching affected by environment stimulus

A

Diphyllobothrium latum

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12
Q

this structure assumes the function of the uterus

A

paruterine organs

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13
Q

egg hatching affected by mechanical action

A

anoplocephala

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14
Q

egg hatching affected by digestive enzymes of hosts

A

taenia

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15
Q

eggs are covered with materials derived from the parenchyma

A

egg pouches

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16
Q

what is the infective larval form of tapeworms

A

metacestode

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17
Q

the first metacestode stage of pseudophyliids

A

procercoid

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18
Q

eggs are covered or protected with material derived from the uterus

A

egg capsule

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19
Q

the infective stage to the first intermediate host of cestode infection

A

oncosphere

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20
Q

occurs in the 2nd IH host of pseudophyllids, elongate, solid bodied and bears an adult scolex

A

plerocercoid

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21
Q

single evaginated scolex embedded in a small solid cyst, found in the small IH such as arthropods

A

cysticercoid

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22
Q

single scolex invaginated into itself in a large, fluid containing vesicle or bladder

A

cysticercus

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23
Q

solid bodied with hooks on the cercomer in the posterior region

A

procercoid

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24
Q

single colex evaginated and attached to the cyst by a chain of asexual proglottids digested away after ingestion by final host

A

strobilocercus

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25
Q

large, fluid containing bladder lined with a germinal epithelium producing a number of invaginated scolices

A

coenurus

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26
Q

large, fluid containing cyst with a laminated cuticular wall lined with a parenchymal inner layer

A

hydatid

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27
Q

2 genera of diphylobothridae

A

Diphylobothrium, Spirometra

28
Q

common name of diphyllobothrium latum

A

broad fish tapeworm of man

29
Q

Predilection site of D. latum

A

Small intestine

30
Q

2nd IH of D. latum

A

trout, pike, salmon, perch

31
Q

SN of 1st IH of D. latum

A

Diaptomus vulgaris, Cyclops strenuus

32
Q

D. latum competes with this vitamin in the diet of the host

A

Vitamin B12

33
Q

known as the zipper worm disease

A

Spirometrosis

34
Q

the second larval stage of spirometra is specifically referred to as

A

sparganum

35
Q

Characteristics of D. latum eggs

A

operculated, light brown, round ends

36
Q

the largest tapeworm of man

A

D. latum

37
Q

Characteristics of spirometra eggs

A

yellowish brown, asymmetric

38
Q

the most common pseudophyllidean in the Philippines

A

Spirometra

39
Q

final hosts of spirometra

A

carnivores

40
Q

final hosts of Diphyllobothrium

A

man, carnivores

41
Q

2nd IH of D. latum

A

Fish

42
Q

1st Ih of D. latum

A

copepods

43
Q

2nd Ih of spirometra

A

frog, reptile, mammal, bird

44
Q

1st Ih of D. latum

A

diaptomus

45
Q

1st Ih of spirometra

A

cyclops

46
Q

uterine coil of diphyllobothrium

A

roseate

47
Q

presence of larvae in muscles and tissues caused by plerocercoid infection

A

sparganosis

48
Q

the disease of cyprinid and sulirid fish

A

ligulosis

49
Q

causative agent of ligulosis

A

Plerocercoids of Ligula intestinalis and Digramma interrupta

50
Q

Pathogenesis of Ligulosis in fish

A

growth retardation, parasitic castration, death

51
Q

disease of cyprinid fish in cultured carp

A

bothriocephalosis

52
Q

Bothriocephalosis is caused by what species

A

Bothriocephalus acheilognathi

53
Q

uterus of pseudophyllidea

A

coiled or roseate with uterine pore

54
Q

uterus of cyclophyllidea morphology

A

with branches, sacculste and no uterine pore

55
Q

vitellaria of pseudophyllidea

A

scattered in segment

56
Q

vitellaria of cyclophyllidea

A

concentrated in an area

57
Q

eucestoda species mostly occur in which organ

A

small intestine

58
Q

eggs of anoplocephalidae are covered with inner chitinous layer bearing

A

pyriform apparatus

59
Q

Anoplocephalidae are only found in these species

A

ruminants, equine

60
Q

IH of Anoplocephalidae

A

oribatid mites

61
Q

3 genera of Anoplocephalidae

A

Anoplocephala, Paranoplocephala, Moniezia

62
Q

Genera and species of Anoplocephalidae occuring particularly in ileo cecal junction

A

Anoplocephala perfoliata

63
Q

Anoplocephala magna predilection site

A

small intestine, stomach

64
Q

These species have a narrow scolex bearing a slit like sucker and absent lappets

A

Paranoplocephala mamillana

65
Q

common name of moniezia expansa

A

double pored tapeworm of sheep and goats

66
Q

known as double pored tapeworm of cattle

A

Moniezia benedini

67
Q

species same as A. perfoliata except for absence of lappets

A

Anoplocephala magna

AA4 VPARA Helminthology (9 decks)

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