renal pyramid n.
Any of various pyramidal masses that are seen upon longitudinal section of the kidney and that contain part of the secreting tubules and the collecting tubules. Also called malpighian pyramid, medullary pyramid.
- Renal rickets
renal rickets n. A form of rickets occurring in children in association with, and apparently as a result of renal disease with hyperphosphatemia. Also called pseudorickets.
- Renal sinus
renal sinus n. The cavity of the kidney, containing the calices and the pelvis.
- Renal tubular acidosis
renal tubular acidosis n. A syndrome characterized by the inability to excrete acidic urine and by low plasma bicarbonate and high plasma chloride concentrations, often with hypokalemia.
- Renal tubule
renal tubule n. A tubule of the kidney, such as a collecting or convoluted tubule.