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

Examples of endostyle in a Sentence

Recent Examples on the Web

Unlike spiders that spin their feeding webs, these grazers have a special organ, called an endostyle, that secretes their mucous mesh. —Kelly Sutherland, Smithsonian, 3 May 2018

Word History

Etymology

International Scientific Vocabulary end- + Greek stylos pillar — more at steer

First Known Use

1854, in the meaning defined above