The Union of Nerve Cells

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I MAY remark, in reference to Mr. Kenyon's letter, that my object in sending the communication on p. 101 was not to criticise Ramon y Cajal's conclusion that no cells of the nervous system ever anastomose, which I have no doubt is, as a rule, correct, but simply to place on record a rare exception, the only one that I have found in several hundred sections, prepared either by the chrom-osmium silver or mercurial methods, of the nervous system of the lower vertebrata. There is a slight misunderstanding on Mr. Kenyon's part, due, probably, to the way I put it. The two cells to which I referred were not joined by the extremity of each dendrite, but by the dendrite of one cell joining, after a short course, the body of the other cell, and even projecting into it. I found a case somewhat similar to this some years ago in the Ceratodus, where two cells of the spinal cord were joined by a broad protoplasmic band; but this specimen was treated in the old way, by being stained with some aniline dye.

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SANDERS, A. The Union of Nerve Cells. Nature 55, 248 (1897) doi:10.1038/055248e0

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