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76 Cards in this Set

  • Front
  • Back

Broad fish tapeworm of man.

Diphyllobothrium latum

Host and site of D. latum

Host: Fish eating mammals (man, dog, cats)


Site: Small intestine

1st and 2nd intermediate host of D. latum

1st - Diaptomus vulgaris, Cyclops strenuus (copepods)


2nd - fresh water fish (trout, pike, salmon, perch)

Zipper worm disease.

Spirometrosis

Plocercoids of tapeworms

Ligula intestinalis.


Digramma interrup.

Anoplocephala perfoliata

Host: horse, donkey, and other herbivore


Site: small and large intestine particularly the ileo-cecal junction.

Morphology of A. perfoliata.

Neither rostellum or hooks.


With lappet.


Wider proglottids.


5-6 cm.


Eggs are spherical, angular or pear shaped.

Largest tapeworm of horse.

Anoplocephala magna

Anoplocephala magna.

Host: horse and donkey


Site: small intestine/ occasionally stomach

Morphology of A. magna

Lappet is absent

Paranoplocephala mamillana

Host: horse


Site: small intestine/occasionally stomach

Morphology of A. mamillana

Narrow scolex bearing a slit-like sucker


No lappets

Double pored tapeworm of sheep and goats.

Moniezia expansa

Moniezia expansa

Host: small ruminant


Site: small intestine

Double - pored tapeworm of cattle.

Monieza benedini

Moniezia benedini

Host: cattle/ small ruminant


Site: small intestine

Morphology of M. expansa and M. benedini.

Rostellum or hook.


Two sets of genital organs with marginal pores.


Has a well developed pyriform.

Thysanosoma actinioides

Host: sheep, cattle, deer


Site: bile and pancreatic ducts, small intestine

Morphology of T. actinioides.

Short segment and conspicuously fringed posteriorly.


2 sets of reproductive are organs, testes lies in median field.


Egg has no pyriform apparatus.

Fringed tapeworms of sheep.

Thysanosoma actinioides

Fringed tapeworms of goat.

Thysaxiexia giardi

Avetellina centripunctata

Host: sheep and other ruminants


Site: small intestine

Morphology of A. centripunctata.

Short proglottids.


Single genitalia; genital pores alternate irregular.


Eggs lies in hyaline egg capsules.


Eggs has no pyriform apparatus.


No vitelline gland.

Stilesia hepatica

Host: large and small ruminant


Site: bile duct

Stilesia globipunctata

Host: ruminants


Site: small intestine

Morphology of S. globipunctata and S. hepatica.

Prominent suckers and broad neck.


Short proglottid.


Single gen pore, pores alternate irregularly.


Uterus is long, transverse and dumbbell shaped.


Ovoid eggs have no pyriform apparatus.


Passes through egg capsule.

Dwarf tapeworm of man

Hymenolepis nana

Hymenolepis nana

Host:man and rodents


Site: small intestine

Hymenolepis carioca

Host: Chicken


I. Host: dumb bettle

Hymenolepis lanceolate

Host: duck and geese


I. H: aquatic crustaceans

Hymenolepis cantaniana

Host: Chicken

Diorchis nyrocae

Host: ducks


I. Host:copepods

Hymenolepis diminuta

Host: rodents


Site: small intestine

Morphology of H. diminuta

Long strobila.


Club shaped scolex.


Unarmed rostellum.

Davainea proglottina

Host: fowl, pigeon other gallinaceous birds


Site:duodenum


I. Host: snail, gastropod molluscs

Smallest tapeworm of poultry

Davainea proglottina

Morphology of D. proglottina

0.5 - 3.0 mm.


4-9 proglottids.


Armed rostellum and suckers.


Uterus replaced by capsules.

Houttuynia struthionis (D. proglottina)

Host: ostrich


Site: intestine

Raillietina tetragona

Host: chicken


Site: small intestine

Common tapeworm of poultry

Raillietina tetragona

Raillietina echinobothridia

Host:chicken and turkey


Site:small intestine

Raillietina cesticillus

Host: domestic poultry


Site: small intestine

Amoebataenia cuneata

Host: domestic fowl


Site: small intestine

Morphology of A. cuneata

4cm small.


Tringular in shape.


Egg occur singly in capsules.

Choanotaenia infundibulum

Host: fowl and turkey


Site: small intestine

Morphology of C. infundibulum

Saw edge appearance, Rostellum armed with hooks, Sac like uterus, Egg has distinct elongate filaments.

Double pored tapeworm of dogs.

Dipylidium caninum

Dipylidium caninum

Host: dog, cat, fox, man esp children


Site: small intestine

Morphology of D. caninum

50 cm long, rose thorn shaped hooks, 2 sets of gen pore at the margin, Gravid proglottids are elongate oval in shape resembling cucumber seeds

Mesocestoides lineatus

Host: dog, cat, wild carnivores, man


Site: small intestine

Morphology of M. lineatus

Unarmed scolex, No rostellum, Eggs pass through pauterine organs and with central gen pore

Taenia saginata

Final site: small intestine


Larval stage: Cysticercus bovis

Morphology of T. saginata

Oval shape egg, Gravid segment leaves the host spontaneously

Beef tapeworm of man

Taenia saginata

Morphology of Taenia solium

Spherical shaped egg, Gravide segment don't leave the host spontaneously

Pork tapeworm of man

Taenia solium

Morphology of T. multiceps

Adults measures 40-60 cm in length, Large rostellum with sinuous handle and double row hooks

Morphology of Taenia hydategina

75-500 cm long, Hooked rostellum, Egg are oval

Morphology of Taenia ovis

1-2 cm long in adults


Eggs are oval

Morphology of Taenia serialis

72 cm long, Scolex bears a hooked rostellum


and Elliptical egg

Morphology of Taenia taeniaeformis

60 cm long.


No neck.


Bell shaped posterior proglottids.


Large scolex.


2 rows of hooks.

Echinococcus granulosus

Host: Dog.


Site: small intestine - adult.


Liver, lung, brain, eye, bone marrow, kidney - larva.

Morphology of E. granulosus

Smallest tapeworm of medical importance.


2.5 to 9.0 mm.


3 segments.


With globular scolex bearing a prominent rostellum.

Echinococcus multilocularis

Host: dogs and cats


Site: uterine - adults


liver - hydatids

Avetellina bubalinae

Host: water buffalo


Site: small intestine

Dipylidium sexcoronatum affects

Cats only

Dipylidium gracile.


Dipylidium diffusum affects

Dogs and cats

Dipylidium caninum affects

Dogs only

It's metacestode develops in the brain of sheep


(Coenurus cerebralis) and continue growing up to size of a hen egg or bigger.

Taenia multiceps

Cysts that do not necessarily cause clinical symptoms and is only identified at necropsy.

Asymptotic coenurosis

It is an acute meningoencephalitis caused by migrating larvae on the brain characterized by fever, depression or excitement and death.

Acute coenurosis

It causes progressive compression and atrophy of the neighboring cerebral tissue.

Chronic coenurosis

It is a hydatid cysts that do not have a brood capsule and sterile.

Acephalocyst

It is a type of hydatid that has spherical and laminated membrane in which fluid is present.

Unilocular

A type of hydatid that has fibrous capsule and cuticle are absent. It has no production of scolices and no fluid.

Osseous

A hydatid that is characterized by the presence of cuticularized vesicles. Occasionally contains brood capsules and scolices; no fluid

Alveolar