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Clinal Para Lec > PARA CESTODES > Flashcards

PARA CESTODES Flashcards

1
Q

FKDLQRISURJORWWLGVk

A
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2
Q
A
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3
Q

Have a tape/ribbon like appearance

A

cestode

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4
Q

Cestodes orher name

A

Phylum Platyhelminthes, Class Cestoda

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5
Q

Adult worms appear as flat and ribbon like

A

cestodes

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6
Q

All cestodes are

A

monoecious (hermaphrodites)

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7
Q

cestodes have no

A

No mouth and gastrointestinal tract

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8
Q

Obtain nutrients via absorption and diffusion through their

A

tegument

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9
Q

Adult worms inhabit the

A

small intestine

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10
Q

all cestode Eggs are ____, ____ except for

A

non operculated, embryonated, Diphyllobothrium latum

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11
Q

Fresh specimens appear

A

whitish/creamy

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12
Q

body covering

A

Tegument

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13
Q

carbohydrate rich, useful for protection

A

Glycocalyx

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14
Q

Possess ____
Similar to microvilli, useful for absorption

A

microthrices (microthrix)

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15
Q

muscles of tegument

A

proximal

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16
Q

presence of mitochondria

A

Distal

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17
Q

attachment organ, holdfast organ

A

Scolex

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18
Q

Used by parasite to attach to small intestine

A

Scolex

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19
Q

• Cuplike suckers
• 2 in front, 2 at the back
• Aid in attachment
• Found in true tapeworms

A

Acetabulate (Acetabulum)

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20
Q

• slit-like groove or depression
• Spoon, spatulate, almond-shaped

A

Bothriate (Bothrium)

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21
Q

(has two bothria, hence

A

Diphyllobothrium)

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22
Q

protruding structure where hooks are attached

A

Rostellum

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23
Q

has hooks/hooklets

A

Armed

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24
Q

noo hook

A

unarmed

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25
region of growth, where proglottids arise
neck
26
tapeworm segments
Proglottids
27
most proximal (closest to the neck) still developing, no reproductive structures
Immature
28
Presence of well-developed reproductive structures • Uterus, ovaries, testes, vitellaria, vas deferens (which connect to the genital pore)
mature
29
gravid/ripe
Gravid/Ripe Most distal from neck • Filled with eggs • Testes and ovaries sometimes not seen
30
chain of proglottids
Strobila
31
(process of formation of proglottids)
Strobilization/strobulation
32
false tapeworm
Pseudophyllidea
33
true tapeworm
cyclophyllidea
34
Scolex: Spoon, almond, spatulate 2 slit like grooves (bothria) No rostellum and no hooks
Pseudophyllidea (False Tapeworm)
35
Scolex: Quadrate (square-like) May possess rostellum Not all true tapeworms have 4 cup like suckers
Cyclophyllidea (True Tapeworm)
36
true tapeworm that does not have rostellum
T. saginata
37
Strobila: Anapolytic Proglottids unable to detach
Pseudophyllidea (False Tapeworm)
38
Strobila: Apolytic Proglottids able to detach
Order Cyclophyllidea (True Tapeworm)
39
Diffused with many follicles Dispersed, not compact
Pseudophyllidea (False Tapeworm)
40
Compact and separate
Cyclophyllidea (True Tapeworm)
41
Gravid Proglottid • All reproductive organs still present • Rosette uterus
Order Pseudophyllidea (False Tapeworm)
42
Uterine Pore Present • Median ventral surface Where eggs exit (connected to uterus)
Order Pseudophyllidea (False Tapeworm)
43
Degenerate reproductive organs Only uterus and is lateral branches seen
Order Cyclophyllidea (True Tapeworm)
44
Absent Eggs go out through the genital pore (located on the side or laterally)
Order Cyclophyllidea (True Tapeworm)
45
ova: Oval Operculated unembryonated
Order Pseudophyllidea (False Tapeworm)
46
Spherical • Non-operculated Embryonated
Order Cyclophyllidea (True Tapeworm)
47
Larval Stages • Coracidium • Procercoid Plerocercoid
Order Pseudophyllidea (False Tapeworm)
48
49
Larval Stages: • Only 1 (depends per species) • Cysticercus • Cysticercoid Hydatid cyst
50
1st: Copepods 2nd: Freshwater fish More complicated life cycle
Order Pseudophyllidea (False Tapeworm)
51
1 IH: lower forms of animals, arthropods, man Only 1 (but some do not require intermediate hosts, like _____)
Order Cyclophyllidea (True Tapeworm), Hymenolepis nana
52
for Taenia spp. Common term: bladder worm (bladder-shaped structure surrounding the protoscolex) • Protoscolex is invaginated • Protoscolex eventually becomes scolex
Cysticercus
53
for Hymenolepis, Dipylidium, etc. • Has 6 hooklets located on distal portion
Cysticercoid
54
- larva is invaginated
Coenurus
55
for E. granulosus Contains daughter cysts Protoscolex located inside
Hydatid cyst
56
Diphyllobothrium latum diagnostic stage
unembryonated eggs
57
Diphyllobothrium latum infective stage
plerocercoid larva
58
Diphyllobothrium latum Common name:
Broad or Fish Tapeworm
59
60
(one of largest and longest tapeworms, can become 10-25 meters)
Diphyllobothrium latum
61

Clinal Para Lec (4 decks)

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