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Diagram of the vestige of the left superior cava and of a case of its persistence. A, rudimentary in B; 5, the opening of the superior intercostal vein into the innominate; 5', vestige of the superior cava or duct of Cuvier, the left cava superior abnormally persistent; 6, coronary sinus; 6', coronary veins; 7, superior intercostal trunk of the left side (left cardinal vein); 8, principal azygos (right cardinal vein); 7', 8', some of the intercostal veins; 9, opening of the inferior cava, with the Eustachian vein. Jones Quain (November, 1796 - January 31, 1865) was an Irish anatomist, professor in the University of London, and author of Elements of Anatomy. The first edition was published in 1828 and it became a standard text-book in English-speaking countries. This image has been colorized.
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