extends_fibers_into accessory XI nerve MESH:D000055 GAID:825 uberon spinal part of accessory nerve CN-XI BAMS:11n XAO:0004214 EMAPA:17265 accessory XI A cranial nerve that originates from neurons in the medulla and in the cervical spinal cord. FMA has distinct cranial and spinal parts - WP says 'Traditional descriptions of the accessory nerve divide it into two parts: a spinal part and a cranial part.[1] However, because the cranial component rapidly joins the vagus nerve, becoming an integral part of said nerve, modern descriptions often consider the cranial component to be part of the vagus nerve and not part of the accessory nerve proper.[2] SCTID:362469008 accessory XI nerve MBA:717 accessory spinal nerve MA:0001088 accessory nerve [XI] EHDAA:2855 eleventh cranial nerve AAO:0010476 FMA:6720 Willis' nerve spinal accessory nerve tree cranial nerve XI FMA:80284 accessory nerve UBERON:0002019 neuronames:2085 cervical accessory nerve NCIT:C32041 UMLS:C0000905 BIRNLEX:812 UMLS:C1305777 VHOG:0000699 spinal accessory nerve BAMS:XIn EHDAA2:0000106 Wikipedia:Spinal_accessory_nerve accessory XI nerve nucleus laryngeal nerve