<prompt> Epiglottis derived from which pharyngeal arch?2346  <response>: Larynx 4th and the 6th arch fuse to form larynx. 4th arch derivatives are Mnemonic - CuTE Cuneiform Thyroid Epiglottis 6th arch derivatives are Mnemonic - CoCAine Corniculate Cricoid Arytenoid 