Miscellaneous observations on the torpedo
Author(s) -
John Davy
Publication year - 1843
Publication title -
abstracts of the papers printed in the philosophical transactions of the royal society of london
Language(s) - English
Resource type - Journals
eISSN - 2053-9142
pISSN - 0365-5695
DOI - 10.1098/rspl.1837.0149
Subject(s) - homogeneous , fish <actinopterygii> , anatomy , mucus , materials science , composite material , chemistry , biology , physics , fishery , ecology , thermodynamics
The experiments described in this paper were made on a single fish, of middle size, recently taken out of the water. Portions of the electrical organs, cut transversely in thin slices, exhibited under the microscope many elliptical particles, apparently blood-corpuscles, the long diameter of which was about 1-800th, and the short about 1-1000th of an inch, and a few filaments, apparently nervous, irregularly scattered; some of them tortuous, and all about the 2000th of an inch in diameter. The latter bore no resemblance to muscular fibres. The blood contained some globular particles, having a diameter of the 4000th of an inch, mixed with the elliptical. The mucus for lubricating the surface was found to contain globules apparently homogeneous in substance, but of irregular outline, and in size varying from the 2000th to the 270th of an inch.
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