602 



ECZEMA. 



follicles, with atrophy of the papillffi and complete loss of haii'. 

 The changes in the skin, however, are little marked. The skin 



Fig. 243. — Sebaceous eczema, second stage. Partial alopecia. 



itself is but slightly thickened and preserves its usual supplenes 

 while the subcutaneous tissue is not oedematous. 



Fig. 244. — Sebaceous eczema, third stage. Total alopecia. 



The hairs, however, when examined microscopically are found to 

 be thickened at their roots, though otherwise throughout their whole 



