has muscle insertion has muscle insertion longissimus muscle longissimus capitis http://upload.wikimedia.org/wikipedia/commons/1/1f/Longissimus.png trachelomastoid muscle EMAPA:37650 FMA:22714 SCTID:244861007 UMLS:C0224309 UBERON:0001403 MA:0002336 Wikipedia:Longissimus#Longissimus_capitis NCIT:C53166 A longissimus muscle that lies medial to the longissimus cervicis, between it and the semispinalis capitis. It arises by tendons from the transverse processes of the upper four or five thoracic vertebrae, and the articular processes of the lower three or four cervical vertebrae, and is inserted into the posterior margin of the mastoid process, beneath the splenius capitis and sternocleidomastoid.[WP,unvetted]. BTO:0001649 musculus longissimus capitis mastoid process of temporal bone