A part of the brain located rostral to the pons and caudal to the thalamus and the basal ganglia, composed of the tectum (dorsal portion) and the tegmentum (ventral portion)
Composed of the tectum (dorsal portion) and the tegmentum (ventral portion), this part of the brain is located rostral to the pons and caudal to the thalamus and the basal ganglia