A bacteriostatic is a compound that prevents bacterial growth. Though a bacteriostatic won't kill bacteria, it will limit the...
1 Cortex â the outer region of the kidney; extensions of the cortical tissue, contains about one million blood filtering nephrons. 2  Nephron â these are the filtration units in the kidneys. 3  Medulla â inner region of the kidney contains 8-12 renal pyramids.
The renal pelvis is the area of the kidney that collects the urine and passes it to the ureter. The kidney structures that are responsible for the actual filtering of blood are the nephrons. Nephrons extend through the cortex and medulla areas of the kidneys. There are over a million nephrons in each kidney.he kidney structures that are responsible for the actual filtering of blood are the nephrons. Nephrons extend through the cortex and medulla areas of the kidneys. There are over a million nephrons in each kidney.