Schistomes LifeCycle

A- Infecthze Stage A= Diagnosta Stage

http//www.dpd cdc.gov/dpdx

Sporocysts in snail O (successive generations)

q Cercariae released by snail

into water and free-swimming

Q Circulation

Migrate to portal blood in liver and maturę intoadulls Q

S mansoni

El

S japon/cum

El

S haematobium C

Paired adult worms migrate to:

□ mesentenc venules of bowel/rectum (laying eggs that circulate to the Inzer and shed in stools)

C venous plexus of bladder

Cercariae lose tails during Q penetration and become schistosomulae