: a tapeworm larva that consists of a fluid-filled sac containing an invaginated scolex and is situated in the tissues of an intermediate host

Word History

Etymology

New Latin, from cyst- + Greek kerkos tail

First Known Use

circa 1871, in the meaning defined above

Time Traveler
The first known use of cysticercus was circa 1871

Browse Nearby Words

Cite this Entry

“Cysticercus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cysticercus. Accessed 28 Mar. 2025.

Medical Definition

cysticercus

noun
: a tapeworm larva that consists of a fluid-filled sac containing an invaginated scolex, is situated in the tissues of an intermediate host, and is capable of developing into an adult tapeworm when eaten by a suitable definitive host

called also bladder worm, measle

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