The Auditory Brain Stem of a Marsupial

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Abstract
The organization and connections of the brain stem auditory nuclei were studied in the marsupial brush-tailed possum, T. vulpecula, and compared with commonly studied placental mammals. Although some gross morphological differences may be observed, including a shifted location of the cochlear nuclei to a medial position in the brain stem and a diffusely organized superior olivary complex, the pathways for information flow from periphery to auditory midbrain and the organization of the midbrain are similar in Trichosurus and placentals.