Pars Intermedia: Unitary Electrical Activity Regulated by Light
- 10 January 1969
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 163 (3863) , 195-197
- https://doi.org/10.1126/science.163.3863.195
Abstract
In the pars intermedia of frogs in the dark two types of spontaneously firing neuronal units have been found; one can be inhibited by and the other is indifferent to increases in illumination. The receptor for the light-inhibited units appears to be the pineal organ. Transection experiments indicate that the axons to the two kinds of units in the pars intermedia are separately grouped in the infundibular floor.Keywords
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