Noun, pl. lemnisci
1. One of two oval bodies hanging from the interior walls of the body in the Acanthocephala. (wiktionary.org)
1. A part of the brain, such as the medial lemniscus or lateral lemniscus. (wikipedia.org)
2. A bundle of sensory nerve fibers going to the thalamus. (wordnetweb.princeton.edu)
3. A bundle of secondary sensory fibers within the brain stem which terminates in specific relay nuclei of the diencephalon. (wikipedia.org)
Word origin: From Late Latin lemniscus “a pendent ribbon.” from Greek lemniskos “woolen ribbon,” perhaps originally or literally “of Lemnos,” island in the Aegean.