Flatworm - Spirometra mansonoides Flashcards
1
Q
Characterisitics of spirometra egg
A
Operculate with coracidum
2
Q
Characteristics of metacestode stages
A
1st intermediate host: copepod
2nd IH: frog, rat, snake
3
Q
Life cycle of S. Mansonoides
A
Eggs in feces through uterine pore > Coracidium develpopes in egg and emerges in water > Copepod ingests-develops into procercoid > frog, snake, rate eats copepod, procerocoid develoops into plerocercoid> encyst in muscles of 2 IH > ingested by DH
4
Q
Spirometra mansonides clinical signs
A
mostly asymptomatic
Can cyst in muscle
5
Q
Diagnosis of spirometra mansonoides
A
Fecal exam
Vomit
6
Q
Are spirometra true or pseudo tapeworms
A
pseudo