What is of or pertaining to the tympanum and the hyoidean arch. -- n. The proximal segment in the hyoidean arch, becoming a part of the styloid process of the temporal bone in adult man called?

tympanohyal — Of or pertaining to the tympanum and the hyoidean arch. -- n. The proximal segment in the hyoidean arch, becoming a part of the styloid process of the temporal bone in adult man. (Webster's 1913.)

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