Midterm 1 Flashcards by vilde bratås

F.hepatica
Common liver fluke
2-3 cm, flat, leaf like, greyish, brownish

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F.hepatica
Common liver fluke
2-3 cm, flat, leaf like, greyish, brownish

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F.hepatica
Common liver fluke
2-3 cm, flat, leaf like, greyish, brownish

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F. Hepatica lifecycle

MI-> SPO-> REI1 -> REI2 -> CE -> MCE

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Fasciola lifecycle

MI-> SPO-> REI1 -> REI2 -> CE -> MCE

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Eggs of liver fluke/ fasciola

Dark yellow
120- 150 um long
Cap in one end

Find it in feces

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Eggs of liver fluke/ fasciola

Dark yellow
120- 150 um long
Cap in one end

Find it in feces with sedimentation

Preparent period 6-12 weeks

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Miracidium of fasciola
Will infect snail

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Miracidium of fasciola
Will infect snail

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Miracidium of fasciola
Will infect snail
Swim in water

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Intermediatehost for fasciolosis

Galba truncatula in the middle

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Galba truncatula

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Flukes
Sporocyst with rediae inside

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Flukes

Sporocyst

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Flukes

Redia

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Flukes

Redia

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Liverfluke/ fasciola

Cercaria

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Liverfluke/ fasciola

Cercaria

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Liverfluke/ fasciola

Metacercaria

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Liverfluke/ fasciola

Metacercaria

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Liverfluke/ fasciola

Metacercaria

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Liverfluke/ fasciola

Adult flukes
Dorsal part, can see intestinal branches

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Liverfluke/ fasciola

Spikes on surface
Liver tissue in bileducts
Uterus with eggs ( the yellowish round thing)

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Liverfluke/ fasciola

Spikes on surface
Liver tissue in bileducts
Uterus with eggs ( the yellowish round thing)

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Liver fluke symptoms Acute: rapid weight loss, sudden death Subacute: severe anemia Chronic: submandibular edema, cachexia

Liverfluke/ fasciola Necroscopy findings adult flukes

Liverfluke/ fasciola Necroscopy finding Enlarged , blood filled tunnel Edema

Liverfluke/ fasciola Necroscopy finding Enlarged liver cattle

Liverfluke/ fasciola Necroscopy finding Cattle liver Enlarged , tunnel Huge gall blatter

Liverfluke/ fasciola Necroscopy finding Crosssection of liver tissue Dialeted bileducts Thickened wall

Liverfluke/ fasciola Necroscopy finding Thickened wall Necrotic, fibrotic

Liverfluke/ fasciola Necroscopy finding Crosssection of liver tissue Dialeted bileducts Bloody tunnels

Liverfluke/ fasciola

Dicrocoeliosis Dicrocoelium dendriticum / lancet fluke

Dicrocoeliosis Dicrocoelium dendriticum / lancet fluke Miracidium

Rediae

Dicrocoeliosis Dicrocoelium dendriticum / lancet fluke Cercariae

Dicrocoeliosis Dicrocoelium dendriticum / lancet fluke Metcercariae Two walls

Juvenilw fluke Whiteish You can see two suckers

Adult liver fluke Fasciolosis

Liver fluke eggs Fasciolosis

Egg of dicrocoelium ( lancet fluke)

Snails that is intermediate hosta for lancet fluke / dicrocoeliosis Landsnail (Cepaea vindobonensis, zebrina detria)

Dicrocoeliosis/ lancet fluke Metacercaria

Dicrocoeliosis/ lancet fluke Adult fluke

Lancet fluke = the small one Liver fluke= the big one in the middle

Dicrocoeliosis/ lancet fluke Liver is never enlarged Dialated smaller bile ducts

Lancet fluke / dicrocoeliosis Hepatic tissue Biliary duct Dark brown egg No spikes on the edges

Dicrocoeliosis/ lancet fluke Egg

Paramphistomidosis/ rumen fluke

Lancet fluke / dicrocoeliosis Egg

Dicrocoeliosis/ lancet fluke

Dicrocoeliosis/ lancet fluke Check dark colour egg

Rumen fluke/ paramphistomidosis

Rumen fluke/ paramphistomidosis Egg Colourless

Rumen fluke/ paramphistomidosis

Rumen fluke/ paramphistomidosis Oral sucker, and huge acetabelum

Rumen fluke/ paramphistomidosis

Rumen fluke/ paramphistomidosis Juvenile rumen fluke Duodenum Small swalloing area

Rumen fluke/ paramphistomidosis

Rumen fluke/ paramphistomidosis Egg

Fasciola gigantica Worms

Fascioloides magna Adult flukes

Paramphistomum cervi Adult flukes

Grass dwelling land ( terrestrial ) snail

Fasciolopsis buski Adult flukes

Dicrocoelium dendriticum Adults

Galba ( Lymnaea) truncatula shells

Paramphistomum cervi Adult flukes

Calcicophoron dabneyi Flukes

Fasciola gigantica Adult flukes

Soil dwelling land ( terrestrial) snails

Shells of freshwater snails

Fasciola hepatica Juveniles and adults

Fascioloides magna Adult flukes

Orientobilharzia turkestanica flukes

Dicrocoelium dendriticum flukes

Dicrocoeliosis in liver of sheep

Fascioloides magna Adult flukes

Fasciola hepatica Adult flukes

Mesocestoides lineatus Adult worm

Anoplocephala perfoliata worms

Anoplocephala perfoliata worm

Dipylidium caninum Adult worm

Mesocestoides worms from jackal

Anoplocephala magna worm

Dipylidium caninum Detached segments

Rallietina cesticillus Worm from poultry

Moniezia benedeni Segments

Diphyllobothrium latum worm

Mesocestoides sp. Stained worms

Hymenolepis diminuta from rat

Anoplocephala perfoliata

Hydatid cyst of echinococcus ( liver)

Section of echinococcus cyst

Strobilocercus larva of T. Taeniaeformis

Cysticercus tenuicollis larva of T. Hydatigena

Taenia pisiformis worms from dog

Taenia hydatigena larvae ( c. Tenuicollis)

Cysticerci of taenia crassiceps

Sections of echinococcus cyst

Taenia ( hydatigera) taeniaeformis worms

Protoscolices from cyst of echinococcus

Taenia crassiceps (Larvak egerben)

Hydatid cyst of echinococcus ( liver)

Cysticerci of taenia solium in heart (Cysticerci cellulosa)

Taenia multiceps worm from dog

Hydatid cyst of echinococcus ( liver)

Taenia hydatigena cysticercus ( javorszarvasboi)

Hydatid cyst of echinococcus ( lung)

Taenia serialis larva in muscle of hare ( coernus serialis)

Coenurus larva of taenia multiceps ( coenurus cerebralis)

Taenia serialis worms from dog

Encapsulated larvae of T. taeniaeformis ( strobilocercus fasciolaris)

Pisiformis cysticerci on liver of rabbit Cysticercus pisiformis

Taenia saginata worm from human intestine

Cysticercus bovis in beef

Pisiformis cysticerci on serosa of rabbit

Hydatid cyst of echinococcus

Taenia serialis worms

Cysticercus tenuicollis larvae

Cysticerci of taenia saginata in beef Cysticercus bovis larvae

Moniezia expansa worms

Stained detail of the strobila of moniezia expansa worm with sexually mature segments ( two sets of genetalia in each )

Stained detail of the strobila of moniezia expansa worm with non mature, juvenile segment ( without developed genitals)

Diphyllobothrium latum worm

Cucumber seed

Dried segment of dipylidium caninum

Green: hymenolepis erinacei adult cestodes Black: ligula simplicissima whole plerocercoid Red: mesocestoides lineatus worm Yellow: ligula simplicissima plerocercoid in fish

Dipylidium caninum

Moniezia expansana worm

Diphyllobothrium latum worm

Cysticerci of taenia crassiceps in mouse Cysticercus longicollis larvae

Taenia sollum

Cestodes with scolex and strobila, segments

Diphyllobothrium latum 2 sucker Unarmed

Scolex Unarmed with 4 suckers

Scolex Armed with 4 suckers

Armed scolex with hocks

One segment looks like this

Gravid proglottis

Mature proglottis

Immature proglottids

Scolex

A spherical cestode egg (Taenia type egg) with six hooked oncosphere

Cestodes of ruminant Moniezia scolex with unarmed with 4 suckers Moniezia expansa & moniezia benedeni

moniezia benedeni Difference between moniezia expansa = *…* & moniezia benedeni = *__*

A: moniezia benedeni B: moniezia expansa Difference between moniezia expansa = *…* & moniezia benedeni = *__*

Moniezia expansa Difference between moniezia expansa = *…* & moniezia benedeni = *__*

Moniezia benedeni Difference between moniezia expansa = *…* & moniezia benedeni = *__*

Moniezia expansa Difference between moniezia expansa = *…* & moniezia benedeni = *__*

Moniezia expansa egg Triangular

Egg of moniezia benedeni Square

Soil mites

Cysticercoid in body cavity of soil mites

Moniezia tapeworms

Sheep feces Moniezia

Moniezia

Cestodes of equines Anoplocephala perfoliata & anoplocephala magna Segments are broader then long 1 set of genitalia Unarmed scolex Segments are very close to eachother

Cestodes of equines Anoplocephala perfoliata & anoplocephala magna Segments are broader then long 1 set of genitalia Unarmed scolex

Anoplocephala egg Looks loke kinder bueno/ toast shape

Soil mite intermediate host for cestodes of equine and ruminants

Gravid segments are smaller at the end Cestodes of equine Anoplocephala magna or perfoliata Unarmed scolex

Gravid segments are smaller at the end Cestodes of equine Anoplocephala magna or perfoliata

Gravid segments are smaller at the end Cestodes of equine Anoplocephala magna or perfoliata 4- 80 cm long

Gravid segments are smaller at the end Cestodes of equine Anoplocephala magna or perfoliata 4-80 cm Unarmed scolex

Cestodes of equine Anoplocephala magna or perfoliata in young foals usually Acute - abdominal distension, diarrhea, oedema, ataxia Chronic- anaemia, emaciation, cahexy

Flea or cucumber tapeworm Dipylidium caninum 4. suckers armed scolex Older segments are longer

Flea or cucumber tapeworm Dipylidium caninum Armed scolex with 4 suckers

Flea or cucumber tapeworm Dipylidium caninum 2 sets of genitalia

Flea or cucumber tapeworm Dipylidium caninum

Flea or cucumber tapeworm Dipylidium caninum Segments longer is older

Flea or cucumber tapeworm Dipylidium caninum Scolex armed, 4 suckers

Flea or cucumber tapeworm Dipylidium caninum Major segments ,2 ovary glands, uterus Small spots are testis

Flea or cucumber tapeworm Dipylidium caninum Gravid segment, filled with eggs Genetal organs will disapear

Flea or cucumber tapeworm Dipylidium caninum Empty segment

Flea or cucumber tapeworm Dipylidium caninum Cocoon ( eggs in capsule)

Flea or cucumber tapeworm Dipylidium caninum Cocoon eggs in capsule

Flea or cucumber tapeworm Dipylidium caninum Cocoon Inside you find 6 onchosphere eggs ( larvae)

Flea or cucumber tapeworm Dipylidium caninum Eggs from a cocoon With 6 oncosphere inside

Flea or cucumber tapeworm Dipylidium caninum Flea larvae 6 oncosphere / eggs inside

Flea or cucumber tapeworm Dipylidium caninum Usually asymptomatic Itchy anus Sometimes diarrhea

Broad or fish tapeworm Diphyllobothrium latum Broad segments. Can reach 4- 5 meters Non armed with 2 suckers Only 1 set of genital, genetal opening in the middle

Broad or fish tapeworm Diphyllobothrium latum Broad segments. Can reach 4- 5 meters Non armed with 2 suckers Only 1 set of genital, genetal opening in the middle Uterus in middle

Broad or fish tapeworm Diphyllobothrium latum Eggs resemble to fasciola , but smaller yellowish Use sedimentation Dont have oncosphaera but zygote or blasometers inside

Broad or fish tapeworm Diphyllobothrium latum Intermediate host : tiny freshwater crustaceans Coracidium in water, procercoid un intermediate host

Broad or fish tapeworm Diphyllobothrium latum

Broad or fish tapeworm Diphyllobothrium latum procercoid elongated one

Broad or fish tapeworm Diphyllobothrium latum Look at brownish spot in the middle

Broad or fish tapeworm Diphyllobothrium latum In small intestine

Mesocestoides

Taenia solium

Taenia pisiformis

Taenia saginata

Hooks, all taenia species have hooks except taenia saginata

Taenia worms of carnivorus Taenia segments Left: immature segments Middle: mature segments Right: pregnant segment Taenia have one genital opening

Taenia worms of carnivorus Taenia segment Ovary uterus, testis small spots Taenia type eggs, cant differentiate species based on the eggs Can de differentiated on the segment, but dont need to know that Taenia have 1 genital opening

Taenia worms of carnivourus All taenia can be found in small intestine

Taenia worms pf carnivorus Genital opening on side (1)

Taenia worms of carnivors Immature right Mature middle Gravid left —> longer

Strobila of taenia species

Taenia of carnivorus

Taenia type of egg, dont need to know species Thick shell Six hooked oncosphaera Brownish

Taenia type of egg, dont need to know species Thick shell Six hooked oncosphaera

Cysticercoid Can be found in box mites

Cysticercus Found in taenia species Fluid inside, bladder like cyst

Taenia pisiformis Hooked, 1 genital opening

Cysticercus pisiformis Larva stage of taenia pisiformis Pea sized cyst Found in liver

Cysticercus pisiformis Larva stage of taenia pisiformis Pea sized cyst Before cyst migrate in liver -> blood filled channels seen on this picture Dont mistake this with liverfluke!! Look for cyst

Cysticercus pisiformis Larva stage of taenia pisiformis Pea sized cyst Found in liver If you find cyst you can be sure it is not fasciola hepatica Rabbit & hares

Cysticercus pisiformis Larva stage of taenia pisiformis Pea sized cyst Found in liver

Cysticercus pisiformis Larva stage of taenia pisiformis Pea sized cyst

Cysticercus pisiformis Larva stage of taenia pisiformis Pea sized cyst Found in liver ( rabbit & hares)

Cysticercus pisiformis Larva stage of taenia pisiformis Pea sized cyst In serosa ( rabbit & hare)

Cysticercus pisiformis Larva stage of taenia pisiformis Pea sized cyst Omentum ( rabbit & hare)

Cysticercus pisiformis Larva stage of taenia pisiformis Pea sized cyst

Cysticercus pisiformis Larva stage of taenia pisiformis Pea sized cyst ( rabbit & hare )

Taenia hydatigena, cysticercus tenuicollis ( ruminant pigs, horses ) Walnut sized

Taenia crassiceps, Cysticercus longicollis Body cavity of rodents, multiplication

Taenia crassiceps, Cysticercus longicollis Body cavity of rodents, multiplication Whole body cavity will be filled

Taenia crassiceps, Cysticercus longicollis Body cavity of rodents, multiplication

Taenia taeniaformis Strobilocercus fasciolaris Liver of rodents Definitive host : cats

Taenia ovis Cysticercus ovis Skeletal muscle of sheep Taenia cervi Cysticercus cervi Skeletal muscle of deer

Taenia pisiformis larva form?

Cysticercus pisiformis Hares and rabbits Pea sized

Taenia hydatigena larva form?

Cysticercus tenuicollis Liver and mesenterynof ruminants and swine Walnut sized

Taenia ovis larvae form

Cystocercus ovis Skeletal muscle of sheep

Taenia cervi larva form?

Cysticercus cervi Skeletal muscle of deer

Taenia crassiceps larvae form?

Cysticercus longicollis Body cavity of rodents

Taenia taeniformis larvae form?

Strobilocercus fasciolaris Liver of rodents

Broad or fish tapeworm?

Diphyllobothrium latum

Flea or cucumber tapeworm?

Dipylidium caninum

Cestodes of equine?

Anoplocephala perfoliata & anoplocephala magna

Cestodes of ruminants?

Moniezia expansa & moniezia benedeni

Lancet fluke?

Dicrocoeliosis dicrocoelium dendriticum

Rumen fluke?

Paramphistomidosis Calicophoron daubneyi - cattle Paramphistomum cervi- sheep, goat, wild ruminant Paramphistomum ichikawai - wild ruminants

Liver fluke?

Fasciolosis Fasciola hepatica

Taenia solium larva form?

Taenia worms of humans: Cysticercus cellulosae

Taenia saginata larvae ?

Taenia worms of human Cysticercus bovis Saginata only taenia without hooks

Taenia worms in humans : taenia solium ( with hook) & taenia saginata ( without hooks) 4 suckers

Taenia worms in humans taenia solium Hooks 4 suckers

Taenia worms in humans taenia saginata Only one without hooks of taenia species 4 suckers

Cysticercus cellulosae: Pigs skeletal muscle, heart Accidentally in the brain or eyes of humans Cysticercus bovis Cattle skeletal muscle Tounge, masseter, heart, diaphragm, oesophagus

Cysticercus in skeletal muscle on picture Cysticercus cellulosae: Pigs skeletal muscle, heart Accidentally in the brain or eyes of humans Cysticercus bovis Cattle skeletal muscle Tounge, masseter, heart, diaphragm, oesophagus

Masseter, eyes not normally like this Cysticercus cellulosae: Pigs skeletal muscle, heart Accidentally in the brain or eyes of humans Cysticercus bovis ( taenia saginata) Cattle skeletal muscle Tounge, masseter, heart, diaphragm, oesophagus

Cysticerus in heart Cysticercus cellulosae: Pigs skeletal muscle, heart Accidentally in the brain or eyes of humans Cysticercus bovis Cattle skeletal muscle Tounge, masseter, heart, diaphragm, oesophagus

Larva from human eye Cysticercus cellulosae: ( t.solium) Pigs skeletal muscle, heart Accidentally in the brain or eyes of humans Cysticercus bovis Cattle skeletal muscle Tounge, masseter, heart, diaphragm, oesophagus

Eye Cysticercus cellulosae: ( t. Solium) Pigs skeletal muscle, heart Accidentally in the brain or eyes of humans Cysticercus bovis Cattle skeletal muscle Tounge, masseter, heart, diaphragm, oesophagus

Brain of humans Cysticercus cellulosae: Pigs skeletal muscle, heart Accidentally in the brain or eyes of humans Cysticercus bovis Cattle skeletal muscle Tounge, masseter, heart, diaphragm, oesophagus

Taenia multiceps, coenurus cerebralis RuminanTs, pig, horse, human Onchospaera stuck in brain

Taenia multiceps larval form?

Coenurus cerebralis

Taenia serialis larva form?

Coenurus serialis

Cornurus Taenia multiceps, coenurus cerebralis RuminanTs, pig, horse, human Onchospaera stuck in brain

Coenurus Taenia multiceps, coenurus cerebralis RuminanTs, pig, horse, human Onchospaera stuck in brain

Taenia multiceps, coenurus cerebralis RuminanTs, pig, horse, human Onchospaera stuck in brain White spots is scolesies

Taenia multiceps, coenurus cerebralis RuminanTs, pig, horse, human Onchospaera stuck in brain Whitish spots is scolities

Taenia multiceps, coenurus cerebralis RuminanTs, pig, horse, human Onchospaera stuck in brain

Protoscolices Taenia multiceps, coenurus cerebralis RuminanTs, pig, horse, human Onchospaera stuck in brain

GID SYMPTOMS Taenia multiceps, coenurus cerebralis RuminanTs, pig, horse, human Onchospaera stuck in brain

Echinococcus granulosus ( can be synatropic) larva form

Echinococcus hyatidosus: a hyatid cyst of achinococcus granulosus

Echinococcus multilocularis ( mainly sylvatic) larva form

Echinococcus alveolaris : an alveolar system of caverns of echinococcus multilocularis

Echinococcus worm Armed scolex 4 suckers Hooked rostellum E.Granulosus has 3 segments E. Multilocularis has 5 segments

Echinococcus multilocularis 5 segments Armed 4 suckers

Echinococcus granulosus 3 segents Armed scolex 4 suckers

Echinococcus granulosus 3 segments Armed 4 suckers

e. Hydatidosus - larva form of E. Granulosis

e. Hydatidosus

e. Hydatidosus Lung Mainly in liver - cattle, pig, horse, human Mainly in lung- sheep, goat

e. Hydatidosus Liver Mainly in liver - cattle, pig, horse, human Mainly in lung- sheep, goat

e. Hydatidosus Mainly in liver - cattle, pig, horse, human Mainly in lung- sheep, goat

e. Hydatidosus 1 big cyst Mainly in liver - cattle, pig, horse, human Mainly in lung- sheep, goat

e. Hydatidosus Mainly in liver - cattle, pig, horse, human Mainly in lung- sheep, goat

e. Hydatidosus Develope so fast, dont have time to develop thick wall Mainly in liver - cattle, pig, horse, human Mainly in lung- sheep, goat

e. Hydatidosus Develope so fast, dont have time to develop thick walls Mainly in liver - cattle, pig, horse, human Mainly in lung- sheep, goat

echinococcus alveolaris In liver of rodents Tumor/ cancer like

e. Alveolaris

e. Alveolaris , E. Multilocularis

e. Alveolaris

Dipylidium caninum

Midterm 1 Flashcards

(340 cards)