THE MALE GENITAL ORGANS. 



369 



capsule consists of dense layers of nonstriated muscle-fibers, connec- 

 tive tissue, and yellow elastic fibers. Processes and lamellae com- 

 posed of all these elements extend into the interior of the gland, con- 

 verging toward the base of the colliculus seminalis. Between the 

 larger trabeculae are situated numerous glands, consisting of large, 





Fig. 298. Cross-section of wall of seminal vesicle, showing the folds of the 

 mucosa (human). 



Fig. 299. From section of prostate gland of man. 



irregular alveoli, separated by fibromuscular septa and trabeculae. 

 The alveoli are lined by simple columnar epithelium, the inner 

 portion of the cells often showing acidophile granules. Now and 

 then the alveoli present a pseudostratified epithelium, with two 

 rows of nuclei (Rudinger, 83). A basement membrane, although 

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