释义 |
anterolateral system
an·ter·o·lat·er·al sys·tema composite bundle of fibers, located in the ventrolateral part of the lateral funiculus, containing spinothalamic, spinohypothalamic, spinoreticular, and spinomesencephalic (for example, spinotectal, or spinal to periaqueductal gray) fibers; occupies the combined areas of the spinal white matter historically divided into anterior and lateral spinothalamic tracts; located in white matter ventral to the denticulate ligament, hence the anatomic basis for the anterolateral cordotomy; concerned with the transmission of nociceptive and thermal information and with crude (nondiscriminative) touch. See also: spinothalamic tract. Synonym(s): lemniscus spinalis [TA], spinal lemniscus [TA], tractus anterolaterales [TA], anterolateral tract |