endostyle
noun
en·do·style
ˈen-dō-ˌstī(-ə)l 
: a pair of parallel longitudinal folds projecting into the pharyngeal cavity in lower chordates (such as the tunicates) that secrete mucus for trapping food particles
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Unlike spiders that spin their feeding webs, these grazers have a special organ, called an endostyle, that secretes their mucous mesh.
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Kelly Sutherland, Smithsonian, 3 May 2018
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Kelly Sutherland, Smithsonian, 3 May 2018
Cite this Entry
“Endostyle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/endostyle. Accessed 12 Jul. 2025.
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