medial lemniscus(redirected from medial fillet)
Also found in: Medical.
medial lemniscus[′mē·dē·əl lem′nis·kəs]
A lemniscus arising in the nucleus gracilis and nucleus cuneatus of the brain, crossing immediately as internal arcuate fibers, and terminating in the posterolateral ventral nucleus of the thalamus.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.