THE CORIUM OK CUTIS VERA. 



335 



average length is about T -J th of an inch, and at their base 

 they measure about ^th of an inch in diameter. Each pa- 



FlG. Ill 



FIG. 110. Papilla, as seen with a microscope, on a portion of the true skin, from 

 which the cuticle has been removed (after Breschet). 



FIG. 111. Compound papillse from the palm of the hand, magnified 60 diameters ; 

 a. basis of a papilla ; ft, b, divisions or branches of the same ; c, c, branches belonging 

 to papillse, of which the bases are hidden from view (after Kolliker). 



FIG. 112. 



Vertical section of the skin and subcutaneous tissue, from end of the thumb, across 

 the ridges and furrows, magnified 20 diameters (from Kolliker) : a, horny, and b, 

 mucous layer of the epidermis ; c, corium; d, panniculus adiposus; e, papilla; on the 

 ridges ; /, fat clusters ; g, sweat-glands ; h, sweat-ducts ; i, their openings on the 

 surface. 



