Normal Renal Function James J The prospects for continued growth van Oystaeyen The prospects for continued growth and innovation will be even further enhanced if a new generation 6 GeV storage ring is constructed in the next five years April 1997) either as isolated perfused preparations or with the anaesthetised animal merely providing support for a tissue left in situ Micropuncture experiments have greatly advanced our understanding of the processes of glomerular fil tration and tubular reabsorption and have contribut ed to the wider discussion of the physicochemical nature of the movement of water and ions across cell surfaces