726 



PHYSIOLOGY. 



Fig. 295. Histology of the Skin and the Epidermoidal Structures. 



(LANDOIS.) 



7, Transverse section through the skin, with hair and sebaceous glands (T). 

 corium and epidermis, are shown in reduced size. 1, External, 2, Internal 

 fibrous layer of the hair-follicle. 3, Cuticula of the hair-follicle. 4, External 

 root-sheath. 5, Henle's layer of the inner root-sheath. 6, Huxley's layer of the 

 inner root-sheath, p, Hair-root attached to the vascular hair-papilla. A, Ar- 

 rector pili muscle. C, Corium. a, Subcutaneous fatty tissue. &, Horny layer. 

 d, Malpighian mucous layer of the epidermis, g, Vessels of the cutaneous 

 papillae, v, Lymphatics of the cutaneous papillae, h, Horny substance, i, 

 Medullary canal, k, Epidermis of the hair. K, Sudoriferous gland. E, Epi- 

 dermal scales from the horny layer, viewed partly from the side, partly from 

 the surface. R, Prickle-cells from the Malpighian layer, n, Superficial, deep 

 nail-cells. //, Hair, more highly magnified, e, Epidermis, c, Medullary canal 

 with medullary cells, f, f. Fiber cells of the hair-substance, x, Cells of Hux- 

 ley's layer. 1, Cells of Henle's layer. 8, Transverse section through a sudo- 

 riferous gland of the axillary cavity, o, Adjacent unstriated muscular fibers. 

 t, Cells of a sebaceous gland, in part with fatty contents. 



