<prompt> All the structures are related to hyoglossus deeply exceptLingual aeryLingual nerveMiddle constrictor of PharynxStylohyoid ligament  <response>: Relations of HyoglossusSuperficialStyloglossus, lingual nerve, submandibular ganglion, deep pa of the submandibular gland, submandibular duct, hypoglossal nerve and veins accompanying it.Deepa Inferior longitudinal muscle of the tongue.b Genioglossus c Middle constrictor of the pharynx.d Glossopharyngeal nerve.e Stylohyoid ligament.f Lingual aery.Structures passing deep to the posterior border of hyoglossus, from above downwards:a Glossopharyngeal nerve.b Stylohyoid ligament.c Lingual aery.Ref: Chaurasia; Volume III; 7th edition; Page 136 