What is pertaining to one or more small elements in the hyoidean arch of fishes, between the caratohyal and urohyal. -- n. One of the hypohyal bones or cartilages called?

hypohyal — Pertaining to one or more small elements in the hyoidean arch of fishes, between the caratohyal and urohyal. -- n. One of the hypohyal bones or cartilages. (Webster's 1913.)

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