| Structure of glomerulus and filtration
      barrier: podocytes; basement membranes; capillary fenestrations; Bowman’s
      capsule; afferent and efferent arterioles. Significance of proteinuria. |  | 
  
    | Juxtaglomerular apparatus, macula densa:
      position, cellular structure and functions. |  | 
  
    | Differences between proximal and distal
      convoluted tubules |  | 
  
    | Component parts of loop of Henle; vasa
      recta; collecting ducts. Cortical and juxtamedullary nephrons. |  | 
  
    | Urothelium (‘transitional epithelium’)
      of lower urinary tract | Specialisations of bladder epithelium for
      distension | 
  
    | Organisation and function of muscular wall
      and elastic fibres of bladder and ureter. |  |