====== LINGUAL ARTERY ====== * lingual artery * first part * in the carotid triangle * forms a charecteristic upward loop * crossed by hypoglossal nerve * permits free movements of hyoid bone * second part * deep to hyoglossus muscle * along upper border of hyoid bone * superficial to middle constrictor of pharynx * third part * arteria profunda linguae or deep lingual artery * runs upwards along anterior border of hyoglossus * horizontally forwards on undersurface of tongue * accompanied by lingual nerve * vertical course * it lies between * genioglossus medially * inferior longitudinal muscle of tongue laterally * fourth part * BRANCHES * suprahyoid * dorsal lingual * sublingual * Clinical * surgical removal of tongue * first part of artery is ligated before it gives any branch to tongue {{:anatomy:lingual_artery.png}}