a groove or fold in the pharynx of various chordates
endostyle in American English
(ˈendəˌstail)
noun
Anatomy
a ciliated groove or pair of grooves in the pharynx of various lower chordates, as tunicates, cephalochordates, and larval cyclostomes, serving to accumulate food particles and pass them along the digestive tract
Word origin
[1850–55; endo- + -style1; so called because the groove is said to resemble a hollow rod from certain viewingangles]This word is first recorded in the period 1850–55. Other words that entered Englishat around the same time include: boneyard, clear-cut, muggins, overprint, proletariat