<prompt> In Galens anastomosis, superior laryngeal nerve pierces inferior constrictor of pharynx and unites withSuperior laryngeal nerve of opposite sideDescending branch of RLNAscending branch of RLNGlossopharyngeal nerve  <response>: GALENS ANASTOMOSIS: Superior laryngeal nerve ends by piercing inferior constrictor of pharynx and unites with ascending branch of recurrent laryngeal nerve. This is called as Galens anastomosis is purely sensory. 