word | polyp |
---|---|
definition | (1) A sea invertebrate that has a mouth opening at one end surrounded by stinging tentacles. (2) A growth projecting from a mucous membrane, as on the colon or vocal cords. |
eg_sentence | She had had a polyp removed from her throat, and for two weeks afterward she could only whisper. |
explanation | This term comes from polypous, a Greek word for “octopus,” which meant literally “many-footed.” To the untrained eye, the invertebrate known as the polyp may likewise appear to be many-footed, though it never walks anywhere since its “feet” are tentacles, used for stinging tiny organisms which the polyp then devours. The types of tumor known as polyps got their name because some seem to be attached to the surface by branching “foot”-like roots, even though most do not. Polyps of the nose or vocal cords are usually only inconvenient, causing breathing difficulty or hoarseness, and can be removed easily; however, polyps in the intestines can sometimes turn cancerous. |
IPA | ˈpɑlɪp |
Tags: mwvb::unit:3, mwvb::unit:3:word, mwvb::word, mwvb::word-cloze, mwvb::word-reverse, obsidian_to_anki
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