TUBULUS RENALIS CONTORTUS Meaning and
Definition
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Tubulus renalis contortus refers to a coiled segment of the renal tubule, which is a major component of the nephron structure in the kidneys. The kidneys play a crucial role in maintaining homeostasis by filtering and regulating the body's fluid volume, electrolyte balance, and waste excretion. The renal tubule is a microscopic structure responsible for the reabsorption and secretion of substances during urine formation.
The tubulus renalis contortus is specifically located in the renal cortex, adjacent to the glomerulus. It is divided into two distinct sections: the proximal convoluted tubule (PCT) and the distal convoluted tubule (DCT). The PCT is positioned nearest to the glomerulus and performs the bulk of reabsorption, meaning it reclaims valuable substances such as glucose, amino acids, and electrolytes from the filtrate back into the bloodstream. Conversely, the DCT, located further away from the glomerulus, functions mainly in secretion, where additional waste products are actively transported and eliminated from the body.
The tubulus renalis contortus plays a vital role in the renal system's overall function by contributing to the concentration and composition of urine. Its coiled structure increases the surface area available for reabsorption and secretion processes, enabling the kidneys to efficiently regulate the body's internal environment. Disruptions or abnormalities in the tubulus renalis contortus can lead to impaired kidney function, potentially resulting in kidney diseases or disorders. Understanding the structure and function of the tubulus renalis contortus is essential in comprehending renal physiology and the mechanisms involved in urine formation.
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Convoluted tubule of the kidney; the first, proximal, or primary leads from the capsule; the second or distal is formed from the ascending limb of Henle's loop which enters the labyrinth; it ends in a collecting tube.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for TUBULUS RENALIS CONTORTUS
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- tubulus renalis contortu s
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