| echinostoma macrorchis in lao pdr: metacercariae in cipangopaludina snails and adults from experimentally infected animals. | the echinostome metacercariae encysted in cipangopaludina sp. snails that were purchased from a market in vientiane municipality, lao pdr, were identified as echinostoma macrorchis (digenea: echinostomatidae) through recovery of adult flukes after experimental infection to rats and a cat. the metacercariae were round, 113-128 (121)×113-125 (120) µm, having a thick cyst wall, a head collar armed with collar spines, and excretory granules. the adult flukes recovered from the rats and cat at day 14 ... | 2013 | 23710086 |