Chiropractic is a health care profession that focuses on the relationship between the body's structureâmainly the spineâand its functioning.
The nephron, the functional unit of the kidney, is responsible for removing waste from the body. Each kidney is composed of over one million nephrons that dot the renal cortex, giving it a granular appearance when sectioned sagittally (from front to rear).
The medial surface of each kidney has a notch called the. hilum. At the beginning of the plumbing system of the urinary system, urine leaving the renal papilla is collected in the cuplike structures called. calyces. The functional unit of the kidney is the. nephron.