Which component is NOT part of the nephron?

The ureter is not a component of the nephron. The nephron is the functional unit of the kidney responsible for filtering blood and forming urine. It consists of several specific structures, including the glomerulus, which is a network of capillaries involved in the initial filtration of blood; the proximal tubule, which reabsorbs nutrients, water, and salts; and the collecting duct, which plays a key role in concentrating urine and regulating water balance.

In contrast, the ureter is a separate structure that serves as a conduit, transporting urine from the kidneys to the bladder for storage before elimination from the body. Understanding the distinct roles of the nephron and the ureter is crucial for comprehending renal physiology and the overall urinary system. Recognizing the anatomy and function of these components helps clarify the nephron's structure and its importance in maintaining homeostasis.