Cestodes Flashcards

1
Q

Phylum

A

Platyhelminthes

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2
Q

Adult Worms appear as

A

flat and ribbon-like

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3
Q

Fresh specimens color

A

Whitish / pinkish in color

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4
Q

are cestodes monoecious or dioecious?

A

monoecious

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5
Q

What parts does cestodes lack?

A

mouth and gastrointestinal tract

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6
Q

They will be obtaining their nutrients through absorption or diffusion via __________.

A

tegument

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7
Q

is body covering of Tapeworms

A

Tegument

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8
Q

Habitat

A

Small Intestine (Adult Worms)

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9
Q

Attached onto the _____ of the small intestine

Habitat

A

lining

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10
Q

Eggs are __________ and _________, except for
Diphyllobothrium latum

A
  • non-operculated
  • embryonated
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11
Q

attachment organ / hold fast organ

A

SCOLEX

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12
Q

SCOLEX is Categorized as:

A
  • Acetabulate
  • Bothriate
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13
Q

Acetabulate

Presence of suckers or _______

A

acetabulum

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14
Q

Acetabulate

They are important for
attachment to the lining of the small intestine

A

acetabulum

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15
Q

Acetabulate

They also have the presence of a protruding structure called _________.

A

rostellum

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16
Q

Acetabulate

Rostellum can be armed meaning

A

with hooks

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17
Q

Acetabulate

Rostellum can be unarmed meaning

A

no hooks

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18
Q

Acetabulate

what type of tapeworm has acetabulate

A

true tapeworms

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19
Q

Bothriate

Appearance

A

Almond/Spatulate

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20
Q

Bothriate

it has this slit-like
grooves called ____________

A

bothria/bothrium

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21
Q

Bothriate

Bothriate are found in what kind of tapeworm

A

false tapeworms

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22
Q

region of growth

A

NECK

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23
Q

Below the neck is the tapeworm segments called ______.

A

proglottids

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24
Q

Type of proglottid

Nearest to the neck; no
developed reproductive
structures

A

Immature Proglottids

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25
# Type of proglottid Found in the middle portion; has well-developed reproductive organs
Mature Proglottids
26
# Type of proglottid There are the testes, ovaries, uterus, vitellaria, and other reproductive structures.
Mature Proglottids
27
# Type of proglottid Farthest from the neck; filled with eggs.
Gravid/Ripe Proglottids
28
In true tapeworms, in gravid/ripe proglottid, the other reproductive organs, they have _________
degenerated
29
# Gravid/Ripe Proglottids For False tapeworm, other reproductive organs may still be ______
present
30
collection/chain of proglottids.
STROBILA
31
The formation of strobila
strobilation
32
# STROBILA may detach
Apolytic
33
# STROBILA may not detach
Anapolytic
34
# False Tapeworm Order
Pseudophyllidea
35
# False Tapeworm Shape | Scolex
Spoon shaped, almond shaped, spatulate
36
# False Tapeworm Possess: | Scolex
2 slit like grooves (bothria)
37
# False Tapeworm Strobila
Anapolytic (Cannot detach)
38
Branching structures of proglottid that may be important for the production of the egg shell
Vitellaria
39
# False Tapeworm Vitellaria
Diffused with many follicles
40
# False Tapeworm reproductive organs | Gravid proglottid
Present
41
# False Tapeworm Uterus | Gravid proglottid
Rosette
42
# False Tapeworm location | Uterine pore
Median Ventral Surface
43
# False Tapeworm Ova
- Oval - operculated - unembryonated
44
# False Tapeworm Larval stages
- Coracidium - Procercoid - Plerocercoid
45
# False Tapeworm First Larval Stage That Will Emerge From An Embryonated Egg Of A False Tapeworm Under Ideal Conditions | Larval stages
Coracidium
46
# False Tapeworm Ciliated Motile Larva That Emerges From The Egg | Larval stages
Coracidium
47
# False Tapeworm Will Swim Towards The 1st Ih (Microcrustaceans – Copepods) | Larval stages
Coracidium
48
# False Tapeworm Ingested By Copepods, And Develops To A Procercoid. | Larval stages
Coracidium
49
# False Tapeworm Copepod Containing ___________ Is Ingested By Freshwater Fish | Larval stages
Procercoid
50
# False Tapeworm Recovered In The 2nd IH | Larval stages
Plerocercoid
51
# False Tapeworm Humans must ingest fish containing _______ larva to get the infection | Larval stages
plerocercoid
52
# False Tapeworm Intermediate hosts | Larval stages
1st IH: Copepods 2nd IH: Freshwater fish
53
# True Tapeworm Order
Cyclophyllidea
54
# True Tapeworm Shape | Scolex
Quadrate, Rhomboidal, Conical
55
# True Tapeworm Posseses: | Scolex
- rostellum - suckers/acetabulum (4)
56
# True Tapeworm Strobila
Apolytic (Can detach)
57
# True Tapeworm Vitellaria
Compact and separate
58
# True Tapeworm Reproductive Organs | Gravid proglottid
Degenerate
59
# True Tapeworm Uterine pore
Absent; has a genital pore at the lateral portion
60
# True Tapeworm Ova
Spherical, non operculated, mature
61
# True Tapeworm Larval stages
- Cysticercoid - Cysticercus - Hydatid Cyst
62
# True Tapeworm It Would Only Require 1 Type Of _____ and ________ In The Life Cycle.
Larva and Intermediate host
63
# True Tapeworm To Get The Infections, Some Tapeworms Need To Ingest The ________
Embryonated Egg
64
# True Tapeworm Intermediate hosts
1 IH: lower forms of animals or arthropods