ior) 
So 
The Veins of the Adrenal 
The connective tissue of the small central veins is richly supplied with 
elastic fibers, which are disposed in oblique and circular directions, 
RNa Mee a oe an Wary 2 
BS Re ol CONT ite Mg ire FE 
a ape Wate ee Nae net 
ot ee 
Ye 
Nae 
We 
a = ee. ate se 
Fig. 2. The medulla of a suprarenal gland of man, showing a group of 
large central veins. The middle and lowermost veins are in transection, the 
uppermost vessel in longitudinal section. The series of sections shows that 
this last vessel is a branch of that in the middle of the figure. Fixation, 
Zenker’s fluid; stain, hematein and methyl-blue, Mann’s method; thickness, 
10 ~; photomicrograph, x 60. 
occasional elastic fibers are also longitudinal. The typical small central 
veins contain no muscle. As they approach their termination in the 
