TREMATODES Flashcards
1
Q
These are flatworms commonly known as
A
FLUKES
2
Q
With oral and ventral sucker (acetabulum)
A
TREMATODES
3
Q
Body is covered by an ? which often bears spines, tubercles
A
Integument
4
Q
4 types trematodes habitat
A
BLOOD, LUNG, LIVER, INTESTINAL FLUKES
5
Q
BLOOD FLUKE INFECTIVE STAGE
A
FORK TAILED CERCARIA
6
Q
BLOOD FLUKE MODE OF TRANSMISSION
A
SKIN PENETRATION
7
Q
BLOOD FLUKE # OF HOST REQUIRED
A
2 HOST
8
Q
1 Intermediate Host
A
Snails / Mollusks
9
Q
Oriental Blood Fluke
A
Schistosoma japonicum
10
Q
Vesical Blood Fluke
A
Schistosoma haematobium
11
Q
Manson’s Blood fluke
A
Schistosoma mansoni
12
Q
INFECTIVE STAGE OF PULMONARY OR LUNG FLUKE, LIVER OR HEPATIC FLUKE, INTESTINAL FLUKE
A
METACERCARIA
13
Q
MODE OF TRANSMISSION OF PULMONARY OR LUNG FLUKE, LIVER OR HEPATIC FLUKE, INTESTINAL FLUKE
A
INGESTION
14
Q
OF HOST REQUIRED IN PULMONARY OR LUNG FLUKE, LIVER OR HEPATIC FLUKE, INTESTINAL FLUKE
TOTAL INTERMEDIATE HOST OF LIVER, LUNG AND INTESTINAL FLUKES
A
Total # of Hosts = 3
15
Q
1 Definitive Host
A
Man
16
Q
2 Intermediate Hosts (varies species)
A
1 IH = SNAILS
2 IH = it could be fish, snails, crabs or fresh water , vegetation
17
Q
Oriental Lung fluke
A
Paragonimus westermani
18
Q
3 LIVER OR HEPATIC FLUKE
A
Fasciola hepatica , Clonorchis sinensis, Opistorchis felineus
19
Q
4 INTESTINAL FLUKE
A
Fasciolopsis buski, Echinostoma ilocanum , Heterophyes Hetereophyes , Metagonimus yokogawai
20
Q
Sheep Liver Fluke
A
Fasciola hepatica
21
Q
Chinese Liver Fluke
Oriental Liver Fluke
A
Clonorchis sinensis
22
Q
Cat Liver Flukes
A
Opistorchis felineus
23
Q
Busk Fluke
A
Fasciolopsis buski
24
Q
Giant Intestinal Fluke
A
Fasciolopsis buski
25
Garrison’s Fluke
Echinostoma ilocanum
26
Von Siebold Fluke
Dwarf Fluke
Heterophyes
Hetereophyes
27
Yokogawa’s fluke
Metagonimus yokogawai
28
DEADLIEST” with 3rd sucker
Heterophyes
Hetereophyes
29
GENITAL SUCKER/ GONOTYL
3rd sucker
30
TEMPERATE LIVER FLUKE
Fasciola hepatica
31
SCHISTOSOMA INFECT FOUND IN
MESENTERIC VEINS NOT IN BLOOD
32
Non- hermaphroditic/ Dioecious:
HAVE SEPARATE SEXES
BLOOD FLUKES
33
Not leaf like body of adult worm
Blood Flukes
34
Male worms are shorter & ?
Robust
35
Females are longer & ?
slender( HEALTHY)
36
Both male & female are provided with ?
oral & ventral suckers
(ACETEBELUM)
37
Used by male worms to carry female during copulation
Gynecophoric canal
38
Blood Flukes Adult worms produce ____ eggs
non-operculated eggs
39
It is a larva equipped with mouth,
GIT & tail.
Cercaria
40
Tail is always
FORKED
41
Diagnostic Stage Of Blood Flukes
Egg & Ova
42
Entry of their cercaria to human skin can lead to infection called ?
SCHISTOSOMIASIS and BILHARZIASIS
43
Superior mesenteric veins
S. japonicum
44
Inferior mesenteric veins or veins draining rectum
S. mansoni
45
Vesical veins or veins draining the urinary bladder
S. haematobium
46
SPECIMEN for DIAGNOSIS : S. japonicum & S. mansoni
STOOL
47
SPECIMEN for DIAGNOSIS : S. haematobium
URINE
48
With smooth integument
S. japonicum
49
With coarse tuberculations integument
S. mansoni
50
With fine tuberculations integuments
S. haematobium
51
S. japonicum NO. of EGGS in UTERUS
50 - 100
52
S. mansoni NO. of EGGS in UTERUS
1-4
53
S. haematobium NO. of EGGS in UTERUS
20-30
54
LARGEST ADULT BLOOD FLUKE
SCHISTOSOMA JAPONICUM
55
SMALLEST ADULT BLOOD FLUKE
SCHISTOSOMA MANSONI
56
Oncomelania quadrasi
S. japonicum
57
Biomphalaria, Planorbis and Tropicorbis
S. mansoni
58
Bulinus, Physopsis
S. haematobium
59
Non -operculated with minute lateral spine.
S. japonicum
60
Non-operculated egg with distinct lateral spine.
S. mansoni
61
Non-operculated with distinct terminal spine.
S. haematobium
62
Blood Flukes Eggs are always?
NON OPERCULATED
63
Larval stages Blood Flukes
MIRACIDIUM - SPOROCYST -SNAIL- CERCARIA
64
Blood Flukes Adult worms are always:
NON-HERMAPRODITIC
65
Ciliated Larva released from the egg when hatched
MIRACIDIUM
66
cercaria that has lost its tail ff: entry to human skin
SCHISTOSOMULE
(LARVA THAT INFECT THE VEINS)
67
Larvae developed from miracidium
SPOROCYST
68
Larvae developed from miracidium
SPOROCYST
69
Infective stage that is always fork tailed
Cercaria
70
A form of dermatitis that may develop because of cercarial penetration
SWIMMER’S ITCH
71
Hypersensitivity reaction caused by migration of schistosomula to appropriate blood vessel
KATAYAMA FEVER
72
Species discovered in Mekong River
Eggs similar with those of S. japonicum but smaller
Schistosoma mekongi
73
Eggs same with S. haematobium but with equatorial/central bulge.
Eggs with terminal spine
Eggs in feces NOT in urine
Schistosoma intercalatum
74
Serologic test for diagnosis of ?
S. JAPONICUM
75
leaf-like, non-segmented body
LUNG, LIVER & INTESTINAL FLUKES
76
operculated eggs.
LUNG, LIVER & INTESTINAL FLUKES
77
Infective stage of LUNG, LIVER & INTESTINAL FLUKES
Metacercaria
78
Diagnostic stage of LUNG, LIVER & INTESTINAL FLUKES
Egg or Ova
79
Mode of transmission of LUNG, LIVER & INTESTINAL FLUKES
Ingestion
80
Appears as if it has shoulders because of the CEPHALIC CONE
With branched testes, ovaries & intestina ceca
Fasciola hepatica
81
Appears like F. hepatica but NO CEPHALIC CONE
Intestinal ceca is unbranched
Fasciola buski
82
Equipped with 3rd sucker -GENITAL SUCKER/ GONOTYL
With oral, ventral
Heterophyes
Hetereophyes
83
Closely resembles H. heterophyes but slightly larger and with no genital sucker
Metagonimus yokogawai
84
Equipped with an oral sucker with spines called “CIRCUM-ORAL DISK WITH SPINES
Echinostoma ilocanum
85
with granular vitellaria & dendritic testes
Clonorchis sinensis
86
with transverse vitellaria & lobed testes
Opistorchis felineus
87
Egg with FLAT operculum
Paragonimus westermani
88
Opposite the operculum is an abopercular shell thickening
Eggs may resemble those of D. latum
Paragonimus westermani
89
Eggs are broadly ovoidal. With wide operculum.
Clonorchis sinensis
90
Opposite the operculum is a median protuberance called abopercular knob.
Clonorchis sinensis
91
Egg closely resembles those of Clonorchis but it is elongately ovoidal with tapering ends.
Opistorchis felineus
92
Thick shelled light brown eggs contain developed miracidium.
Eggs are with distinct operculum and similar with those of Clonorchis but no abopercular knob.
Heterophyes
Heterophyes
93
Thin shelled light-yellow egg contains developed miracidium.
Metagonimus yokogawai
94
Eggs are large ovoidal, yellowish brown that contains undeveloped miracidium.
Fasciola hepatica
95
Large operculated eggs are indistinguishable from Fasciola hepatica and Fasciola gigantica ova.
Fasciolopsis buski
96
Straw colored, operculated ovoid eggs measures 83-116 x 58-69 um.
Same with Fasciola hepatica and Fasciolopsis buski.
Echinostoma ilocanum
96
Straw colored, operculated ovoid eggs measures 83-116 x 58-69 um.
Same with Fasciola hepatica and Fasciolopsis buski.
Echinostoma ilocanum
97
Larval stages of Liver, Lung, and Intestinal flukes
Miracidium - sporocyst - redia - cercaria - metacercaria
98
Ciliated larva release from egg when hatched
Miracidium
99
sac liked larva developed from miracidum
Sporocyst
100
Larva developed from sporocyst, absent in schistosoma
Redia
101
Larva developed from redia or sporocyst
Cercaria
102
Cercaria that has lost its tail ff; entry into a 2nd intermediated host
Metacercaria
103
Fresh Mountain Crabs
Paragonimus Westermani
104
Snail/Mollusk
Echinostoma ilocanum
105
Fresh water vegetation Edible Aquatic plants
Ex. kangkong
Fasciolopsis buski
Fasciola hepatica
106
Fishes
H. heterophyes
M. yokogawai
C. sinensis
O. felineus
107
Brotia asperata
Paragonimus westermani
108
Sundathelpusa spp., Parathelpusa spp.
Paragonimus westermani
109
Lymnea philippinensis
Fasciola hepatica
110
Watercress
(Nasturtium officinale)
Kangkong (Ipomea obscura)
EDIBLE WATER PLANTS
Fasciola hepatica
111
Segmentina spp., Hippeutis spp
Fasciolopsis buski
112
Water caltrop
(Trapa)
Water chestnut
(Eliocharis)
Bamboo shoots
(Zizania)
H2O VEGETATION
Fasciolopsis buski
113
Alocinma spp., Bulimus spp.and Parafossarulus spp
Clonorchis sinensis
114
Bithynia spp.
Opistorchis felineus
115
Cyprinoid Fishes
Clonorchis sinensis & Opistorchis felineus
116
Gyraulus convexiusculus and Hippeutis umbilicalis
Echinostoma ilocanum
117
Kuhol (Pila luzonica) and
Susong Pampang (Vivipara angularis)
Echinostoma ilocanum
118
Pirenella spp. & Cerithidea spp.
Heterophyes
heterophyes
119
Fishes
(Mugil- balanak, Tilapiatilapia and Arius manilensis - kanduli)
Heterophyes
heterophyes
120
Semisulcospira spp., Thiara spp., Hua spp.
Metagonimus yokogawai
121
Salmonoid Fishes (Plecoglossus and Salmo), Cyprinoid Fishes (Richardsonium)
Metagonimus yokogawai
122
YOUNGEST (CILIATED SWIM TO RIVER OR WATER TO LOOK FOR SNAIL (INTERMEDIATE)
MIRACIDIUM
123
INSIDE THE SNAIL
SPOROCYTS
124
MOST MATURE adult with tail( swim and escaped from the snail and swim in water and look for man.
CERCARIA
125
TAIL WILL REMOVE OF CERCARIA THROUGH skin penetration called ?
Shistosomule
126
Provide yolks for the eggs
Vitellaria
127
Reservoir host of S. mansoni
Monkey, Cattle Other livestock, Rodents, Dogs, Cats
128
GIANT LIVER FLUKES
F. GIGANTICA
129
HALZON CAME FROM
LEBANON
130
MARARRA CAME FROM
SUDAN
131
SIBERIAN LIVER FLUKES
O. FELINEUS
132
SEA LIVER FLUKES
O. VIVERRINE
133
LANCEOLATE/ LANCET FLUKES
DICROCOELIUM DENDRITICUM / LANCEOLATA
134
CIRCUMORAL DISK WITH CROWN OF SPINE
ECHINOSTOMA ILOCANUM
135
SPUTUM EXAMINATION
PARAGONIMUS WESTERMANI
136
LARGE AND PROMINENT TERMINAL SPINE
S. HAEMATOBIUM
137
EGGS ARE DEPOSIT IN THE INTESTINAL MUCUSA TRIGGERING GRANULOMA FORMATION
INTERSINAL SCHISTOSOMIASIS
