HAIR 



395 



Muse. . \J ' "iis-_.- 



s T; -"^ 



* . -^-K**r; 



' i--**WW< '"" * 



T >* 



FIG. 405 



Bulbus pili. 4 



Papil\a. 



FIG. 401. 



FIG. 405. 



FiGs.*40i-4os. FOUR CROSS SECTIONS OKA HAIR OF THE HEAD (X 160), WITH A DIAGRAMMATIC LONGI- 



TUDINAL VIEW FOR ORIENTATION. 



A, Cuticula; B, cortex; C, medulla. I, Str. corneum; II, str. germinativum ; III, corium. 1-3, Connective- 

 tissue sheath; I, longitudinal fiber layer; 2, circular fiber layer; 3, conn, tiss hyaline membrane; 4: 

 epithelial hyaline membrane; 5, outer epithelial sheath; 6, inner epithelial sheath; 6a, Henle's layer, 

 6b, Huxley's layer; 7, cuticula of the sheath; Muse., arrector pili; Seb., sebaceous gland. 



