This video elaborates on the formation and development of the thyroid and tongue with more emphasis on the tongue generally. Its swellings, their time of appearance and their shape after joining. Its nervous supply and its fundamental outlook. TIMELINE: 0:16 overview/development of tongue and thyroid 0:46 development of muscular tongue 1:18 flow chart of tongue development 1:56 oral and pharyngeal part of the tongue 2:46 tuberculum impar and hypobranchial eminence 2:55 swellings of the tongue (anterior and posterior) 3:57 nervous supply to different portions of the tongue 4:35 pharyngeal arches 4:46 subdivisions of hypobranchial eminence 7:04 conclusion