ClipArt ETC
Forms of glands. Labels: A, a simple secreting surface; a, its epithelium; b, basement membrane; c, capillaries; B, a simple tubular gland; C, a secreting surface increased by protrusions; E, a simple racemose gland; D and G, compound tubular glands; F, a compound racemose gland. In all but A, B, and C the capillaries are omitted for the sake of clearness. H, half of a highly developed racemose gland; c, its main duct.

Forms of Glands

Forms of glands. Labels: A, a simple secreting surface; a, its epithelium; b, basement membrane; c,…

Secreting glands may be classified according to certain types. Shown are plans of extension of secreting membrane by inversion or recession in form of cavities. A, simple glands, viz., g, straight tube; h, sac; i, coiled tube. B, multilocular crypts; k, of tubular form; l, saccular. c, racemose, or saccular compound gland; m, entire gland, showing branched duct and lobular structure; n, a lobule, detached with o, branch of duct proceeding from it. D, compound tubular gland.

Secreting Gland

Secreting glands may be classified according to certain types. Shown are plans of extension of secreting…