stratum lemnisci of superior colliculus Composite layer of the superior colliculus lying deep to the stratum opticum, that can be further subdivided into fiber and cell rich layers (Brodal, Neurological Anatomy, 2nd ed., 1981, pg 544). HBA:9116 NLX:144110 UBERON:0006782 BAMS:StL stratum lemnisci FMA:72408 gray matter layer of superior colliculus