If you stay in the water for too long your hand will shrink
        
             
        
        
        
Answer: The glomerulus is filled with blood via an afferent arteriole and it is ensheathed in visceral SQUAMOUS EPITHELIUM.
Explanation: Glomerular wall consists of fenestrated endothelium, thick basal lamina and podocytes' pedicels separated by filtration slits of controllable width. These permit the filtration of water solutes into a capsular space between glomerular epithelium and the parietal squamous epithelium of Bowman's capsule. 
 
        
                    
             
        
        
        
A genetic mutation. It's known as malformation. It can be caused by a trisomy in one of the alleles, or an affected gene.