RID31813 outer region of renal pyramid 2

RID31816 outer stripe of renal pyramid 2

RID31819 inner stripe of renal pyramid 2

RID31822 inner region of renal pyramid 2

RID31825 upper inner zone of renal pyramid 2

RID31828 transition zone of renal pyramid 2

RID31831 lower inner zone of renal pyramid 2