Term Name: | corticospinal tract |
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Synonyms: | corticospinal fibers, fasciculus cerebro-spinalis, fasciculus pyramidalis, fibrae corticospinales, pyramid (Willis), pyramidal tract, tractus cortico-spinalis, tractus corticospinalis, tractus pyramidalis |
Definition: | 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. |
Ontology: | Uberon Ontology [UBERON:0002707] |