thing that connects tongue to bottom of mouth
Frenulum of tongue The frenulum of tongue or tongue web (also lingual frenulum or frenulum linguÃ¦; also fraenulum[1]) is a small fold of mucous membrane extending from the floor of the mouth to the midline of the underside of the tongue.
Palatine uvula The palatine uvula, usually referred to as simply the uvula /ˈjuːvjʊlə/, is a conic projection from the posterior edge of the middle of the soft palate, composed of connective tissue containing a number of racemose glands, and some muscular fibers (musculus uvulae).[1][2] It also contains a large number of serous glands that produce a lot of thin saliva.[3]