…an unlikely chance occurrence, especially a surprising piece of luck…
…a parasitic flatworm which typically has suckers and hooks for attachment to the host. Some species are of veterinary or medical importance…
…a fluke which has a complex life cycle and is of medical and veterinary importance. The adult lives within the liver tissues of a vertebrate, and the larva within one or more secondary hosts such as a snail or fish…
…a fluke which has a complex life cycle and is of medical and veterinary importance. The adult lives within the liver tissues of a vertebrate, and the larva within one or more secondary hosts such as a snail or fish…
