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.
A kidney uriniferous filtration tubule (nephron). The main filtering units in the kidney are called glomeruli. Filtered fluid passes into the specialized tubules seen here. Water and useful substances are absorbed, concentrating the fluid.The concentrated fluid passes to the bladder as urine. The tubules have two portions. kidney uriniferous filtration tubule (nephron). The main filtering units in the kidney are called glomeruli. Filtered fluid passes into the specialized tubules seen here. Water and useful substances are absorbed, concentrating the fluid.