The word "dialyser" is commonly used in medical terminology as a device used for dialysis treatment. The spelling of the word is derived from the root word "dialysis", which refers to the process of removing waste and excess water from the blood. The spelling of "dialyser" is pronounced as /ˈdaɪəlaɪzər/ in IPA phonetic transcription. The stress is placed on the second syllable, with the first syllable being pronounced as "die". The "s" in "dialyser" is silent.
A dialyser, also known as a hemodialyzer or artificial kidney, is a medical device used in hemodialysis procedures to remove waste products and excess fluids from the blood in individuals with kidney failure or kidney impairment. It serves as an external filtration system that mimics the functions of a healthy kidney.
The dialyser consists of a semi-permeable membrane composed of thin fibers or hollow tubes that are selectively permeable to substances of specific sizes. The patient's blood is continuously pumped into the dialyser, where it comes into contact with the membrane. As the blood flows through the dialyser, waste products, toxins, and excess fluids, such as urea, creatinine, and potassium, diffuse through the membrane and into a dialysate solution, which is a specialized fluid used to cleanse the blood. The purified blood is then returned to the patient’s body.
The dialyser operates by employing the principles of osmosis and diffusion, allowing small molecules and waste products to pass through the membrane while retaining larger components like red blood cells and proteins. The dialysate solution, which closely resembles the components of the normal blood plasma, is regularly replaced to maintain optimal filtration efficiency.
Dialysis treatment in a dialyser is typically performed multiple times a week and can last for several hours. The device plays a vital role in assisting individuals with impaired kidney function in maintaining the balance of electrolytes, removing toxins, and managing fluid levels in their bodies.
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Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "dialyser" comes from the Greek word "dialis" (διάλυς), which means "that which separates" or "that which dissolves". The term "dialyser" is primarily used in medical contexts, specifically in reference to a medical device called a dialyzer, which is used in the process of dialysis. Dialysis is a medical procedure that involves removing waste products and excess fluid from the blood when the kidneys are no longer able to perform this function. The term "dialyser" is based on the function of the device, which separates or removes these waste products from the blood during dialysis.