Schistosoma mansoni: conversion of cercariae to schistosomula.
D000818:Animals; D001700:Biomphalaria; D004058:Diffusion; D007274:Injections, Intraperitoneal; D008722:Methods; D051379:Mice; D008851:Micropore Filters; D009089:Mucor; D010529:Peritoneal Cavity; D012550:Schistosoma mansoni / Q000254:growth & development* / Q000302:isolation & purification; D013997:Time Factors