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a group of neuron cell bodies located in the lateral position of the midbrain in the area of spinothalamic fibers; ventrolaterally adjacent to the inferior colliculus with which it has interconnections.
Synonym(s): nucleus parabigeminalis [TA]
Scattered clusters of neurons in the lateral-most edge of the midbrain below (ventral to) the inferior colliculus. The parabigeminal nuclei are satellites of the superior colliculi, and they receive axons from and send axons to the ipsilateral and contralateral superior colliculi.
See also: nucleus