Paper, 'An enquiry into a discovery said to have been made by Signor Valsalva of Bologna, of an excretory duct from the glandula renalis to the epididymis' by John Ranby
Reference number: CLP/12ii/24
Date: 1725

Description
Ranby details his search for the excretory duct leading from the glandula renalis [adrenal gland], discovered by Anton Maria Valsalva. Ranby is unable to find it and wonders if Valsalva mistook the arteries leading to the glandula renalis for this duct. Engraved figure from Philosophical Transactions and explanation of figure attached.
Subject: Anatomy
Published in Philosophical Transactions as 'An enquiry into a discovery, said to have been made by Signor Valsalva of Bologna, of an excretory duct from the glandula renalis to the epididymis'.
Read to the Royal Society on 17 June 1725.
- Reference number
- CLP/12ii/24
- Earliest possible date
- 1725
- Physical description
- Ink on paper
- Page extent
- 5 pages
- Format
- Manuscript
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John Ranby, Paper, 'An enquiry into a discovery said to have been made by Signor Valsalva of Bologna, of an excretory duct from the glandula renalis to the epididymis' by John Ranby, 1725, CLP/12ii/24, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/clp_12ii_24/paper-an-enquiry-into-a-discovery-said-to-have-been-made-by-signor-valsalva-of-bologna-of-an-excretory-duct-from-the-glandula-renalis-to-the-epididymis-by-john-ranby, accessed on 17 April 2025
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III. An enquiry into a discovery, said to have been made by signor valsalva of Bologna, of an excretory duet from the glandula renalis to the epididymis External link, opens in new tab.
Date: 31st December 1724
DOI: 10.1098/rstl.1724.0054
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John Ranby
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Classified Papers
The 'Classified Papers' of the Royal Society are papers from British and international natural philosophers and scholars categorised according to subject areas.
Dates: 1592 - 1741
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