The American journal of the medical sciences (1827)
[Thorofare, N.J., etc.] Charles B. Slack [etc.] · leaf 498
ng the external and the internal layers are found at different depths from the surface, and from the fact of their pursuing opposite courses cross each other — the fibres of the first external and last internal layers crossing with a slight deviation from the vertical, as in the letter X; the suc-… … "V. The fibres composing corresponding external and internal layers, such as layers one and seven, two and six, &c, are continuous in the left ventricle at 1 Traitd de la Structure du Ccenr, &c. Paris, 1849. 2 Cycl. of Anat. and Phys., Article Heart. London, 1839.
Medicine
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