The proper spelling of the term "convoluted tubule" is kənˈvɒljʊtɪd ˈtjuːbjʊl. The word "convoluted" consists of two syllables, with the first syllable pronounced as "kuhn-vuh" and the second syllable as "luh-tid." The word "tubule" is pronounced as "tjuːbjʊl," indicating a tube-like structure. The convoluted tubule is a twisted and looping section of the nephron in the kidney, responsible for the filtration of waste products from the blood. Proper spelling of scientific terms is essential to promote clear and accurate communication in the field of medicine.
A convoluted tubule is a microscopic, tube-like structure found within the kidneys that plays a crucial role in the process of urine formation. It is part of the nephron, the functional unit of the kidney responsible for filtration, reabsorption, and secretion of substances in the blood.
The convoluted tubules are located in the renal cortex, the outer region of the kidney, and are divided into two distinct types: the proximal convoluted tubule (PCT) and the distal convoluted tubule (DCT). These tubules are called "convoluted" due to their highly coiled and twisted nature, which increases their surface area for optimal absorption and secretion.
The proximal convoluted tubule is responsible for the reabsorption of essential substances, such as glucose, amino acids, and electrolytes, from the filtrate back into the bloodstream. It also eliminates waste products, such as urea and creatinine, into the tubular fluid.
On the other hand, the distal convoluted tubule is involved in the regulation of electrolyte balance and the acid-base balance of the body. It selectively reabsorbs specific ions, including sodium, and regulates the pH levels by secreting hydrogen ions or reabsorbing bicarbonate ions, depending on the body's needs.
Overall, the convoluted tubules are vital for maintaining the body's homeostasis by fine-tuning the composition and volume of urine, ensuring the elimination of waste products while reabsorbing necessary substances.
The twisted or coiled portion of a uriniferous tubule, tubulus renalis contortus.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "convoluted" comes from the Latin word "convolutus", which means "rolled together" or "twisted". "Tubule", on the other hand, has its roots in the Latin word "tubulus", meaning "small tube".
In anatomy, the term "convoluted tubule" refers to a specific structure found in several organs of the body, such as the kidneys and the reproductive system. The convoluted tubules are characterized by their twisted or coiled shape, which allows for more surface area and greater efficiency in their specific functions.