<prompt> Muscle which helps in protrusion and upper movement of tongue is?PalatoglossusHyoglossusGenioglossusStyloglossus  <response>: Genioglossus is a fan shaped bulky muscle which originates from the genial tubercle of mandible. Its upper fibers are inseed to tip of tongueretraction Its middle fibers are inseed to dorsum. depression And its lower fibers are inseed to the hyoid bone. protrusion Refer BDC sixth edition volume 3 page no: 266 ,267 Refer table 17.2 