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Langley writes: 'It was shown by Claude Bernard that section of the chorda tympani nerve in the dog, causes, after an interval of about 24 hours, a slow “paralytic” secretion of saliva from the sub-maxillary gland; the secretion continues for several weeks, and is accompanied by a gradual diminution in the size of the gland. Heidenhain confirmed these observations, and he found further that the effect was not confined to the gland on the side of the body on which the nerve had been cut, but extended also to the corresponding gland of the opposite side of the body, so that section of either chorda tympani nerve caused a continuous secretion from both sub-maxillary glands.'

Annotations in pencil and ink.

Subject: Physiology

Received 16 March 1885. Read 19 March 1885.

A version of this paper was published in volume 38 of the Proceedings of the Royal Society as 'The "paralytic" secretion of saliva'.

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Ink and graphite pencil on paper
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13 pages

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John Newport Langley

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John Newport Langley, Paper, 'The "paralytic" secretion of saliva' by J N [John Newport] Langley, 1885, PP/6/24, The Royal Society Archives, London,, accessed on 22 July 2024

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  • Proceedings Papers

    Dates: 1882 - 1894

    The archival collection known as 'Proceedings Papers' is comprised of manuscripts and occasional proofs of scientific papers sent to the Royal Society which were read before meetings of Fellows and printed in full in the Proceedings of the Royal Society.

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