medial geniculate nucleus

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A structure at the back of each lobe of the thalamus, close to the lateral geniculate nucleus, that receives inputs from the inferior colliculus and relays them to the primary auditory cortex. Also called the medial geniculate body. medial geniculate nuclei pl. MGN abbrev. [From Latin medialis situated in the middle, from medius the middle + geniculatus knee-shaped, from geniculum a little knee, diminutive of genus a knee]

Subjects: Psychology.

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