Skin diseases : including their definition, symptoms, diagnosis, prognosis, morbid anatomy and treatment : a manual for students and practitioners / by Malcolm Morris.

Date:
1879
Catalogue details

Licence: Public Domain Mark

Credit: Skin diseases : including their definition, symptoms, diagnosis, prognosis, morbid anatomy and treatment : a manual for students and practitioners / by Malcolm Morris. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

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    epidermis to open on the surface. The epidermic portion is called the mouth of the duct; in it there is no membrana propria or special epithelium, and in consequence it is surrounded only by the cells of the epidermis. The duct is lined at the commencement by a continuation of the rete Malpighii, the cells of which are stratified, but gradually, as the deeper pai-ts are reached, the epidermis is reduced fii-st to two layers of pavement cells and then to a single layer of short columnar cells, which at the lowest portion become elongated. Fig. 4.—Transversb Section of Sweat Ql4Nd. a, epithelium; 6, muscular coat out transTCrsely ; c, nucleated membrana propria; d, connective tissue. (Sangster.) The tube of the gland proper, in some parts of the body, contains a single layer of thin longitudinal unstriped muscle fibres, which is situated between the membrana propria and the columnar epithelial cells. The glands that have this muscular coat are usually larger in size than the variety without it, and are especially well developed on the volar side of the hand and