Hirudinea

noun plural

Hir·​u·​din·​ea ˌhir-(y)ə-ˈdin-ē-ə How to pronounce Hirudinea (audio)
: a class of hermaphroditic aquatic, terrestrial, or parasitic annelid worms distinguished by a coelom nearly obliterated by connective tissue and reduced to a series of vascular sinuses, by modification of the hindmost segments into a sucking disk, and by the absence of parapodia and setae

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Cite this Entry

“Hirudinea.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Hirudinea. Accessed 12 Apr. 2024.

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