innervated by innervated_by has muscle origin has muscle origin has muscle insertion has muscle insertion arytenoid cartilage recurrent laryngeal nerve laryngeal intrinsic muscle arytenoid muscle http://upload.wikimedia.org/wikipedia/commons/5/52/Musculusarytenoideus.png Wikipedia:Arytenoid_muscle UBERON:0010958 UMLS:C1510945 arytaenoideus arytaenoideus muscle aryepiglotticus muscle NCIT:C32149 A single muscle, filling up the posterior concave surfaces of the arytenoid cartilages. It arises from the posterior surface and lateral border of one arytenoid cartilage, and is inserted into the corresponding parts of the opposite cartilage. It consists of oblique and transverse parts. TODO - check child relationships