cercaria

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Related to Miracidium: sporocyst, cercariae, Metacercariae, rediae
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  • noun

Words related to cercaria

tadpole-shaped parasitic larva of a trematode worm

References in periodicals archive ?
When they get into freshwater, the miracidium is released from the egg.
Some of the eggs were enclosed by miracidium, which were surrounded by degenerated red blood cells and few connective tissue cells.
Once the egg encounters fresh water, the developing larva hatches, releasing a single miracidium.
The eggs of schistosomes are nonoperculate, possess a spine, and contain a miracidium.
Miracidium hatching test after concentration of eggs with a nylon tissue bag was used.
mansoni egg and its miracidium in its mammalian host, in stools, free-swimming in water, and penetrating their snail intermediate host was reported by J.
The eggs hatch in water and release a free-swimming miracidium, whose objective in life is to find and penetrate an appropriate snail in which to develop.
Within 30 to 45 days, miracidium grows into worm, which can lay 200 to 2,000 eggs per day for an average of 5 years.
The eggs undergo a slow development involving a dispersing phase during 10 days before reaching the miracidium stage that infects molluscs.
Once inside the snail host, each miracidium develops a "sporocyst," which may divide and produce other sporocysts.
On exposure to water, the eggs hatch and liberate a miracidium that infects a suitable molluscan intermediate host.