human_reference_atlas Homo sapiens axon tract corticospinal tract http://upload.wikimedia.org/wikipedia/commons/a/ac/Gray684.png GAID:702 tractus corticospinalis fasciculus pyramidalis AS pyramid (Willis) MESH:D011712 BIRNLEX:1464 uberon The corticospinal fibers that arise from the pyramidal cells within the cerebral cortex layer V of the precentral motor area, the premotor area and the postcentral gyrus, then descend into and through the medulla to form the lateral corticospinal tract and the anterior corticospinal tract. FMA:72634 SCTID:362325000 UBERON:0002707 BM:Me-PyT EMAPA:36600 BAMS:P neuronames:800 MBA:784 Wikipedia:Corticospinal_tract pyramidal tract pyramidal tract UBERON:0004095 HBA:265505574 DHBA:12776 pyramidal tract tractus pyramidalis UMLS:C0034229 corticospinal fibers DMBA:17756 tractus cortico-spinalis fibrae corticospinales BM:CST fasciculus cerebro-spinalis neuronames:1320 BTO:0006132 MBA:190 white matter of hindbrain