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Interstitial fluid



The fluid found in the intercellular spaces composed of water, amino acids, sugars, fatty acids, coenzymes, hormones, neurotransmitters, salts, and cellular products. It bathes and surrounds the cells of the body, and provides a means of delivering materials to the cells, intercellular communication, and removal of metabolic waste.


The interstitial fluid is the main component of the extracellular fluid (other components are plasma and transcellular fluid).

Word origin: L interstiti(um) interstice + -al

Related forms: interstitially (adverb).

Also called: tissue fluid, intercellular fluid.
Compare: extracellular fluid.

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Re: Urine formation

... by expanding the size of pores of the walls of the duct. Then, as the fluid in the collecting duct passes through the hyperosmotic region of the kidney medulla, water diffuses through the pores into the surounding interstitial fluid and is carried away by the blood circulation. The urine ...

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by chikis
Mon Nov 14, 2011 12:35 pm
Forum: Physiology
Topic: Urine formation
Replies: 7
Views: 8328

Loop of Henle - Kidneys

... Loop of henle what is its purpose? is it to maintain osmolality of the interstitial fluid of the medulla, so that they are kinda exchanging salts and water and is that the purpose ...

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by snezka18
Wed May 11, 2011 4:23 pm
Forum: Human Biology
Topic: Loop of Henle - Kidneys
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Views: 3509

Pls. I need help with my hw

... in blood osmolarity followed by osmotic transport of water into the interstitial fluid compartment B) An initial increase in urine output C) Osmotic transport of fluid from ...

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by mslazy
Sat Oct 09, 2010 8:56 pm
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Topic: Pls. I need help with my hw
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Cell Membrane

... This one? d. Saturation e. Fick’s Law. Also, is Extracellular fluid? a) dilute salt soltn surrounding cell b)another name for interstitial fluid Analysis of the cells in the intestine reveal that they are permeable to ...

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by Nicolodn
Sat Sep 18, 2010 8:05 am
Forum: Cell Biology
Topic: Cell Membrane
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Re: What is biological stability?

... as the physico-chemical stability of the internal environment (body fluids: blood, lymph, interstitial fluid; cerebrospinal fluid). Biological stability also includes the valeo-physiological ...

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by abbassido
Wed Sep 10, 2008 7:48 am
Forum: General Discussion
Topic: What is biological stability?
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