Tubular fluid
Tubular Fluid
Tubular fluid (/tjuːˈbjuːlər ˈfluːɪd/) is the fluid present in the tubules of the kidney. It originates from the glomerular filtrate and is modified by the renal tubules to form urine.
Etymology
The term "tubular fluid" is derived from the Latin word "tubulus" which means a small tube and the Latin word "fluidus" which means flowing.
Function
The primary function of tubular fluid is to carry waste products and excess substances from the bloodstream to be excreted as urine. The composition of the tubular fluid is dynamically altered as it passes through the different segments of the renal tubules, through processes such as reabsorption and secretion.
Related Terms
- Glomerular Filtration Rate: The volume of fluid that passes into the renal tubules per unit time.
- Reabsorption: The process by which substances are removed from the tubular fluid and returned to the blood.
- Secretion: The process by which substances are added to the tubular fluid from the blood.
- Excretion: The process by which waste products are removed from the body.
- Renal Tubules: The structures in the kidney where the tubular fluid is formed and modified.
See Also
External links
- Medical encyclopedia article on Tubular fluid
- Wikipedia's article - Tubular fluid
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