Lemniscal trigone
Trigonum lemnisci
Definition
The lemniscal trigone is an area of the midbrain tegmentum where the lemniscal tracts (ascending sensory pathways that transmit tactile, proprioceptive, and vibratory information) converge and straighten to ascend toward the thalamus.
References
Evans HE, de Lahunta A. Miller’s anatomy of the dog, 4th edition, Elsevier Saunders, St Louis, 2012.