SUPRARENAL CAPSULES. 



431 



The blood-vessels form a capillary network in the mucous 

 membrane, which is situated about midway between the epi- 

 thelial stratum and the muscular coat. In other respects they 

 present no peculiarity worthy of note. 



The lymphatics are less abundant in the bladder than in 

 the ureters. They, also, lack noteworthy peculiarities or 

 special features of interest. 



Plexuses of nerve-fibres are found in the subserous connec- 

 tive-tissue, and also in the muscular coat. Microscopic ganglia 

 and groups of ganglion cells are also met with. 



SUPRARENAL CAPSULES. 



The suprarenal capsules (glandulce suprarenales) are small 

 flattened bodies, two in number, situated somewhat above and 



Fio. 1&3. Cellular groups and trabeculae of the cortical substance, from the suprarenal capsule of the 

 Frog. Eberth. 



in front of the upper end of either kidney. They are usually 

 triangular or semilunar in shape, although round and oval 

 forms are also met with. In structure they resemble the so- 



