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A I Goldman; This pineal gland does not mediate phase shifts in the disc shedding rhythm of the rat retina.. Invest. Ophthalmol. Vis. Sci. 1982;22(1):111-113.
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Albino rats were subjected to pinealectomy, superior cervical ganglionectomy, or the appropriate sham preparation and were placed in lighting conditions so that light onset was advanced by 10 hr. After 6 days of this regimen, all animals exhibited a complete shift in their outer segment disc shedding rhythm, indicating that the pineal gland is not a factor in mediating such a shift.
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