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Uber einige Formver-haltnisse der Haarfollikel des Menschen


, : Uber einige Formver-haltnisse der Haarfollikel des Menschen. Jahrb Morph U Mikrosk Anat Abt 2 Zeitschr Mikrosk Anat Forsch 38(4): 503-553

This paper is practically a series of notes on the variations of the microscopic anatomy of the hair follicles of human beings of various ages and from different anatomical locations. Special attention is given to the variations in the morphology of the outer epithelial sheath of the upper segment of the hair follicle. Many different forms of the anlage of the sebaceous gland are distinguished; an analogous ring of epithelium around the bulb of the follicle is noted, and variations in its form are catalogued. There is also a detailed study of the connective tissue elements of the hair follicle and of the layer of nervous tissue in the neck of the follicle. The latter lies in a cleavage space between the vitreous layer of the neck of the follicle, composed of fine elastic fibers, on the inside and the outer girdle of connective tissue of the hair follicle on the outside; it consists of coreless nerve fibers arranged in the form of a palisade and of characteristic club-shaped cells.

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