130 



TEE HUMAN BODY. 

 A B 



FIG. 40. Forms of Glands. A , a simple secreting surf nee: a, its epithelium; 

 6, basement membrane; c, capillaries: B, a, simple tubular gland; C', a secret- 

 ing surface increased by protrusions ; , a simple racemose gland; D and Of, 

 compound tubular glands; F, a compound racemose gland. In all but A and B 

 the capillaries are omitted for the sake of clearness. H, half of highly devel- 

 oped racemose gland; c, its main duct : " 



