FIG. 273. FROM A SECTION OF THE HUMAN SCALP. 



Ap, arrector pili muscle; c, corium; ep, epidermis; fp, epidermal root sheath; 

 Gap, muscular aponeurosis; gls, sudoriparous gland; glse, sebaceous gland; KH, 

 so-called 'club-hairs' in various stages of molting and regeneration; pp, papilla of 

 the hair; Re, fibrous band in the subcutaneous tissue; Rp, hair root; Sp, hair shaft; 

 Is, subcutaneous adipose tissue. Hematoxylin and eosin. X 15. (After Sobotta.) 



282 



