Cestodes
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Last updated 8:36 PM on 4/16/23
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103 Terms
1
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long, segmented, tape, tapeworms
Cestodes in majority are _____, ______, and __-like and they are called ___________
2
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dorso-ventrally
Cestodes are _____________ flattened
3
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millimeter, meters
Cestodes’ size varies from a few _____ to several _____.
4
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intestinal
Adult worms of cestodes are found in the ______ canal of man and animals
5
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scolex, suckers, hooks
Cestodes’ “head” or _____ is provided with ______ and sometimes __________ that serve as organs of attachment.
6
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Head, Neck, Strobila
There are three regions in an adult worm:
1. __________
2. __________
3. __________
1. __________
2. __________
3. __________
7
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Scolex
This is known as the “head”
8
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Strobila
This is known as the “body or trunk”
9
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proglottids
Strobila is consists of a series of segment called ____________.
10
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Diphyllobothrium latum
This is a gravid proglottid of a ________________.
11
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Diphyllobothrium latum
This is a scolex of a _________________.
12
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Diphyllobothriid eggs, operculum
____________________ in an unstained wet mount of stool. What do you call the part that is open?
13
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Diphyllobothriid egg
____________________ in an unstained wet mount of stool.
14
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operculum
State the name of the part on the upper portion of the picture.
15
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immature embryo
State the name of the part of middle portion of the picture.
16
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abopercular knob
State the name of the part of lower portion of the picture.
17
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Broadfish tapeworm
Common name of *D. latum*
18
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Uterus
State the name of the upper left portion of the picture.
19
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Ovary
State the name of the lower left portion of the picture.
20
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Genital pore
State the name of the upper right portion of the picture.
21
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Testes
State the name of the lower right portion of the picture.
22
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dorsoventral sucking grooves
What do you call the this part of the *D latum?*
23
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Taenia saginata, carmine, >12
Mature proglottid of ____________, stained with ____________. Note the number of uterine branches.
24
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Taenia saginata, India ink, >12
Mature proglottid of ___________, stained with _________________. Note the number of primary uterine branches.
25
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Taenia saginata, four, rostellum, rostellar hooks
Scolex of _______________. Note how many large suckers and lack of _____________ and _________________.
26
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thick striated egg shell
State the name of the upper portion of the picture.
27
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oncosphere
State the name of the middle portion of the picture.
28
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hooklets
\
State the name of the lower portion of the picture.
State the name of the lower portion of the picture.
29
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genital pore
State the name of the upper portion of the picture.
30
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testes follicles
State the name of the lower portion of the picture.
31
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Four cup-like suckers
What do you call this structure?
32
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Beef tapeworm
Common name for *T. saginata*
33
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Taenia solium, carmine, 7-13
Mature proglottid of _____________, stained with _______. Note the number of primary uterine branches.
34
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Taenia solium, India ink, 7-13
Mature proglottid of __________, stained with ___________. Note the number of primary uterine branches.
35
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Taenia solium, four, rostellum, two
Scolex of _______. Note the number of large suckers and __________ containing ____ rows of hooks.
36
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Taenia sp.
______________ egg in unstained wet mounts.
37
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Taenia sp.
_____________ egg in iodine-stained wet mount.
38
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thick striated egg shell
State the name of the upper portion of the picture.
39
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oncosphere
State the name of the middle portion of the picture.
40
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hooklets
State the name of the lower portion of the picture.
41
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genital pore
State the name of the structure pointed at at the upper portion of the picture.
42
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testes
State the name of the structure pointed at the second upper portion of the picture.
43
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ovary
State the name of the structure pointed at the third upper portion of the picture.
44
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uterus
State the name of the structure pointed at the lowest part of the pictutre.
45
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4-cup like suckers
State the name of the upper portion of the picture.
46
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rostellum
State the name of the middle portion of the picture.
47
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hooklets
State the name of the lower portion of the picture.
48
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Pork tapeworm
Common name for *T. solium*
49
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Dipylidium caninum, genital pores, carmine
Proglottid of _____________. The _____ are clearly visible in the ________-stained proglottid.
50
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Dipylidium caninum
Which cestode does this scolex belongs to?
51
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Dipylidium caninum
_________ egg packet containing 7-8 visible eggs, in a wet mount.
52
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egg packet
State the name of the upper right portion of the picture.
53
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hooklets
State the name of the middle left portion of the picture.
54
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thin shell
State the name of the middle right portion of the picture.
55
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4-cup like suckers
State the name of the upper right portion of the picture.
56
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short neck
State the name of the middle left portion of the picture.
57
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conical rostellum
State the name of the lower right portion of the picture.
58
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genital pore
State the name of the upper left portion of the picture.
59
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ovary
State the name of the upper right portion of the picture.
60
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testes
State the name of the lower right portion of the picture.
61
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Dog tapeworm
Common name for *d. caninum*
62
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Hymenolepis diminuta, carmine
Proglottids of _________ stained with ___________. Notice the form of the proglottids.
63
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Craspedote
What do you call the form where one proglottid overlaps another
64
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Hymenolepis diminuta
Scolex of what cestode?
65
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Hymenolepis diminuta
Egg of _______ in a wet mount stained with _______. Four of the hooks are visible at this level of focus.
66
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striated outer membrane
State the name of the upper right portion of the picture.
67
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thin inner membrane
State the name of the lower right portion of the picture.
68
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oncosphere with hooklets
State the name of the left portion of the picture.
69
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testes
State the name of the upper right portion of the picture.
70
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ovary
State the name of the lower right portion of the picture.
71
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genital pore
State the name of the left portion of the picture,
72
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rostellum without hooklets
State the name of the left portion of the picture.
73
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suckers
State the name of the right portion of the picture.
74
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Rodent Tapeworm
Common name for *H. diminuta*
75
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Hymenolepis nana, two, rostellar hooks
Scolex of ____________. State the number of suckers and the ___________ that are clearly visible.
76
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Hymenolepis nana, oncosphere, polar filaments, oncosphere, outer shell.
Egg of ___________ in an unstained wet mount. Note the presence of hooks in the ________ and ________________ within the space between the ________ and ____________.
77
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inner membrane
State the name of the upper right portion of the picture.
78
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oncosphere
State the name of the lower right portion of the picture.
79
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hooklets
State the name of the left portion of the picture.
80
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ovary
State the name of the right portion of the picture.
81
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testes
State the name of the lower portion of the picture.
82
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genital pore
State the name of the left portion of the picture.
83
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spines
State the name of the left portion of the picture.
84
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rostellum
State the name of the upper right portion of the picture.
85
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suckers
State the name of the lower right portion of the picture.
86
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Dwarf Tapeworm
Common name for *H. nana*
87
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Echinococcus granulosus
Which cestode has this cross-section?
88
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Host tissue
State A (it encapsulates the hydatid cyst wall)
89
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acellular laminated layer
State B
90
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nucleate germinal layer
State C
91
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brood capsule
State D
92
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protoscolices
State E
93
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visible hooklets
State F
94
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Echinococcus granulosus
Close-up scolex of __________. In this focal plane, one of the suckers is clearly visible, as is the ring of rostellar hooks.
95
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embryo
State the name of the left portion of the picture.
96
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radially striated egg shell
State the name of the right portion of the picture.
97
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protoscolices
State the name of upper left portion of the picture.
98
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brood capsules
State the name of the lower left portion of the picture.
99
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germinal layer
State the name of the right portion of the picture.
100
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hooklets
State the name of the upper left portion of the picture
Note 
Flashcards (96)