cestode (tape worm) Flashcards
the definitive host for Diphyllobothrium latum is
human and other fish eating mammals
Diphyllobothriasis caused by Diphyllootrium latum is also known as……
fish tapeworm infection.
describe the morphology of Hymenolepiasis nana and Hymenolepiasis diminuta
short worm, small, globular, scolex, retractile rostellum with a single ring of small hoos, four shaped suckers
egg- two membranes enclosing a hexacant embryo with six hooklets
Habitat- ileum
sptreatment of Hymenolepiasis nana and hymenopiasis diminuta
praziquantel and niclosamide
mode of transmission of hymenolepiasis nana and hymenolepiasis diminuta
Hymenolepiasis nana - hand to mouth or contaminated food with eggs
hymenolepiasis diminuta -food or hand contaminated with inffcted host (mouse fleas and meal worm beetle)
what are the definitive host of Diplidium caninum
dogs, cats, wild carnivore
human- accidental host
habitata- adult worm in small intestine
Mode of transmission of Diplylidium caninum
accidental swallow infected fleas or lice from dogs
through contaminated food or hand to mouth contact.
name Taenia spp in human…
Taenia solium and Taenia saginata
the definitive host of taenia spp…
cattle (Taenia saginata)
pig (Taenia solium)
cysticercosis is caused by….
Taenia solium, larval cyst in lungs, liver, eye and brain.
Hydatidosis id caused by….
Ehinococcus granulosus
describe the morphology of Echinococcus granulosus
smallest tapeworm in Taeniadae- cyst can cause very serious illness
the host for Echinococcus granulosus
intermodieate - sheep
definitive -dogs and other canines
symptoms of Echinococcus granulosus
slow growing tumor, may not be apperent for many years, cyst will crush tissue and interfere with regular function
liver cyst - obstructive jaundice
peribronchial cyst-pulmonary abcess, cough, allergic symptom, sputum contains blood, mucus, hydatic fluid
Alveolar Hydatid cyst is due to…
Echinocoocus multicularis
