Lessons in elementary physiology / by Thomas H. Huxley.

  • Huxley, Thomas Henry, 1825-1895.
Date:
1868
Catalogue details

Licence: Public Domain Mark

Credit: Lessons in elementary physiology / by Thomas H. Huxley. Source: Wellcome Collection.

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    circumstance that one, or more, incessantly vibrating filaments are developed from the free surface of each cell. Fig. 76. A, a longitudinal and vertical section of a nail: a, the fold at the base of the nail; b, the nail; c, the bed of the nail. The figure B is a transverse section of the same—a, small lateral folds of the integu- ment; b, nail; c, bed of the nail, with its ridges. The figure C is a highly-magnified view of a part of the foregoing - c, the ridges ; d, the deep layers of epidermis ; e, the horny scales coalesced into nail substance. Figs. A and B magnified about 4 diameters ; Fig-. C, magnified about 200 diameters.