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55 Cards in this Set

  • Front
  • Back

Cestodes characteristics

Long-tape like structure


MONOECIOUS

Tapeworms inhabiting the intestine of their host

Cyclophyllidean cestodes

Round suckers

Acetabula

Life cycle involves two host in cyclophyllidean cestodes

Definitive


Intermediate

Beef tapeworm

Taenia saginata

Whitish in color and semitransparent

Beef tapeworm

No digestive system and flexible and fragile

Taenia saginata

Definitive and intermidiate host of taenia saginata

Def- human


Inter- cattle

Have four suckers

Scolex

No hooks

Rostellum

Thick yellow brown radiated cell

Oncosphere

Cysticercus

Taenia saginata

Eating raw or uncooked beef

Taenia saginata

Mild digestive symptoms

Taenia saginata

Treatment for taenia saginata

Praziquantel

Pork tapeworm

Taenia solium

Has 4 suckers and rostellum has two crowns of horns

Taenia solium

Infectious to humans

Taenia solium

Grows approximately 2-7 m

Taenia solium

Eating raw , undercooked beef

Taenia solium

Cysticerci

Larval form

Cyclophyllidean cestodes

Taenia saginata


Taenia solium


Echinococcus granulosum


Dipylidium caninum


Hymenolepis nana

Dog tapeworm

Echinococvus granulosum

Hyatid worm

Echinococcus granulosum

Echinococcus granulosum


Definitive and intermediate host

Defi- canids


Inter- domestic animals

Composed of scolex, neck, strobila.. adult 3-6 mm long

Echinococcus granulosum

Hand to mouth transfer or contamination

Echinococcus granulosum

Caused by developing larval cyst

Cystic echinococcosis

Organ affected by echinococcus granulosum

Liver


Lungs


Abdominal

PAIR technique in echinococcus granulosum

Puncture, aspiration, injection, re- aspiration

Tapeworm infects dogs and cats

Dipylidum caninum

Double pored worm or cucumber worm

Dipylidium caninum

Transmitted byninfected flea

Dipylidium caninum

Definitive hosts is dogs cats and humas

Dipylidium caninum

Larvae of D. Caninum

Cysticercoids

Disease of D. Caninum and treatment

Dipylidiasis, praziquantel

Dwarf tapeworm

Hymenolepis nana

Mainly among children

Hymenolepis nana

Found in the ileum and have short life span

Hymenolepis nana

Scolex has 4 suckers and subglobar

Hymenolepis nana

A term when infectec with h. Nana

Hymenolepiasis

Class cestoda, tapeworms with two sucking grooves

Pseudophyllidea cestodes

Teo longitudinal bothria and testes are numerous

Pseudophyllidea cestodes

Pseudophyllidean cestodes

Diphyllobothrium latum

Fish tapeworm

Diphyllobothrium latum

Scolex is spoon shaped, yellowish grey

Diphyllobothrium latum

Passed out in the host fecesin large numbers

Ova

Bile stained

Ova

Passed first in the water then respective intermediate host

Larva

3 stages of larva in diphyllobathrium latum

Coracidium


Procercoid


Plerocercoid

Ciliated oncosphere that develops from egg in the water

Coracidium

Found inside the cyclops

Procercoid

Head is invaginated in the neck

Plerocercoid

Final host of diphyllobothrium latum

Cat, dog, man, small intestine

Eating uncooked freshwater fish

Diphyllobathrium latum