lemniscus[医] 丘系(蹄系)
lemniscuslemnisci[ noun ]a bundle of sensory nerve fibers going to the thalamus<noun.body> 
Lemniscus \Lem*nis"cus\ (l[e^]m*n[i^]s"k[u^]s), n.; pl.
{Lemnisci} (-s[imac]) n.[L. See {Lemniscata}.] (Zo["o]l.)
One of two oval bodies hanging from the interior walls of the
body in the Acanthocephala.