midbrain

Etymology

mid- + brain

noun

  1. (neuroanatomy) 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).
    When the instinctive and subconscious world of the snake is confronted in initiation, the vital force of the snake rises and floods the second brain, the midbrain, the limbic ring. 1981, William Irwin Thompson, The Time Falling Bodies Take to Light: Mythology, Sexuality and the Origins of Culture, London: Rider/Hutchinson & Co., page 226

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