402 



SECRETION. 



referred the elongated and tortuous sudoriparous glands of 

 the skin (p. 426), and the Meibomian follicles beneath the 

 palpebral conjectiva; though the latter are made more 



* Fig. 105. Plans of extension of secreting membrane by inversion or 

 recession in form of cavities. A, simple glands, viz. , a, straight tube ; 

 h, sac ; i, coiled tube. B, multilocular crypts ; k, of tubular form ; 

 I, saccular. C, racemose, or saccular compound gland ; m, entire 

 gland, showing branched duct and lobular structure ; n, a lobule, de- 

 tached with o, branch of duct proceeding from it. D, compound 

 tubular gland (after Sharpey). 



