renal hypoplasia n.
An abnormally small kidney that is morphologically normal but has either a reduced number of nephrons or smaller nephrons.
- Renal osteodystrophy
renal osteodystrophy n. A bone disease characterized by softening and fibrous degeneration of bone and the formation of cysts in bone tissue, caused by chronic renal failure.
- Renal pelvis
noun 1. a small funnel-shaped cavity of the kidney into which urine is discharged before passing into the ureter renal pelvis n. A hollow flattened funnel-shaped expansion of the upper end of the ureter into which urine is discharged before entering the ureter.
- Renal pyramid
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.