Acetylcholine Receptors: Number and Distribution at Neuromuscular Junctions in Rat Diaphragm
- 14 April 1972
- journal article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 176 (4031), 189-191
- https://doi.org/10.1126/science.176.4031.189
Abstract
The number of acetylcholine receptors per motor end plate in the rat diaphragm, measured by the binding of [1251]α-bungarotoxin, varies directly with rat size and is (4.0 ± 0.2) x 107 for full-grown male rats. Autoradiographic analysis of single fibers labeled with this substance reveals that virtually all of these receptors are localized in the end plate.Keywords
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