superior colliculus

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Noun1.superior colliculus - an essential visual center between the retina and the striate cortex
nerve center, nerve centre, center, centre - a cluster of nerve cells governing a specific bodily process; "in most people the speech center is in the left hemisphere"
mesencephalon, midbrain - the middle portion of the brain
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References in periodicals archive ?
On second passage, the spongiform degeneration appeared to be more widespread, also affecting the hippocampus and subcortical structures such as basal nuclei, thalamus, and superior colliculi but not the cerebellum.
The patient was not diagnosed PSP due to the absence of atrophy of midbrain tegmentum, superior colliculi, and pons.
(3) The sign was originally described by Hitoshi et al.; it is produced as a result of high signal intensity in the tegmentum with preserved normal signal intensity in the red nuclei (eyes of the panda) and lateral portion of the pars reticulata of the substantia nigra (ears of the panda), and hypointensity of the superior colliculi (chin of the panda).

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