OF THE (i LANDS OF THE SKIN. 



217 



cold, or whitish fat-globules up to OOOl"' in size, and which 

 are so disposed that whole lengths of a gland contain generally 



Fig. 83. 



only one and the same kind of granules ; whence it arises that 

 they appear either uniformly brownish or opaque (by reflected 

 light whitish). The contents of the glandular canals are 

 sometimes a clear fluid, sometimes a granular substance com- 

 posed principally of cells analogous to those of the epithelium, 

 whence it would seem that the same kind and mode of secre- 

 tion occurs in them as in the sudoriparous glands. The 

 excretory ducts possess a coat of connective tissue, and an 



Fig. 83. Perpendicular section through the skin of the external auditory meatus, 

 x 20 : a, corium ; b, stratum Malpighii; c, horny layer of the epidermis ; d, coil of 

 tlie ceruminous glands; e, their excretory ducts;/) their apertures ; g, hair-sacs; 

 h, sebaceous glands of the meatus ; i, masses of fat. 



