. Elements of histology. Histology. Chap. XXXIV.] The Skin. 277 a continuation from the middle layer of the stratum Malpighii and from the basement membrane; the former is the lining epithelium, the latter the limiting membrana propria of the sudoriferous canal. The epithelium consists of two or three layers of small polyhedral cells, each with a spherical or oval Fig. 146.—From a Section through. Human Skin, showing the Sweat gland tuhes cut in various directions. a, First part of the coiled tube seen in longitudinal section : 6, the same seen in cross section, c, the distal part se
. Elements of histology. Histology. Chap. XXXIV.] The Skin. 277 a continuation from the middle layer of the stratum Malpighii and from the basement membrane; the former is the lining epithelium, the latter the limiting membrana propria of the sudoriferous canal. The epithelium consists of two or three layers of small polyhedral cells, each with a spherical or oval Fig. 146.—From a Section through. Human Skin, showing the Sweat gland tuhes cut in various directions. a, First part of the coiled tube seen in longitudinal section : 6, the same seen in cross section, c, the distal part seen in longitudinal section; d, the same seen in cross section. (Atlas.) 375. The structure of the sudoriferous canal is then—a limiting membrana propria, an epithelium composed of two or three layers of polyhedral cells, an. internal delicate membrane, and, finally, the central cavity, or lumen. The first part—about one-third or one-fourth— of the coiled tube (Fig. 146) is of the same struc- ture, and is directly continuous with the sudoriferous canal, with which it is identical, not only in structure, but in size. The remainder of the coiled tube—, the distal part—is larger in diameter, and differs in. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Klein, E. (Edward), 1844-1925. Philadelphia : H. C. Lea's Son
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