Abstract
IN a recent letter1, Prof. Le Gros Clark directed attention to the evidence that crossed and uncrossed fibres of the optic tract each terminate in three alternating layers of cells in the lateral geniculate body in the monkey. Hitherto, however, this has been an inference based on the indirect evidence of transneuronal atrophy. It has now been finally established in this laboratory by the study of axonal and bouton degeneration, following section of one optic nerve. Seven days after this operation, the corresponding cell laminæ of the lateral geniculate body are filled with enlarged and grossly degenerating terminal boutons which are so conspicuous that they can readily be observed under low magnifications, and the affected laminæ thus contrast strongly with the normal laminæ.
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NATURE, 146, 558 (Oct. 26, 1940).
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GLEES, P. Termination of Optic Fibres in the Lateral Geniculate Body. Nature 146, 747 (1940). https://doi.org/10.1038/146747c0
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DOI: https://doi.org/10.1038/146747c0
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