Tissue Fluid

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Tissue Fluid


(also called interstitial fluid), the fluid in the intercellular and pericellular areas of tissues and organs in animals and man. Tissue fluid bathes all tissue elements and, together with the blood and lymph, constitutes the body’s internal medium. The cells absorb necessary nutrients from the tissue fluid and discharge metabolic products into it.

The chemical composition and the physical and biological properties of tissue fluid differ in the various organs and correspond to the organs’ morphological and functional characteristics. Tissue fluid is similar to blood plasma, but contains less protein (about 1.5 g per 100 ml) and different proportions of electrolytes, enzymes, and metabolites. The composition and properties of tissue fluid have a specific homeostasis, which protects organ and tissue cells from the effects of changes in blood composition.

Nutrients essential for the tissues enter the tissue fluid from the blood, and metabolites are removed from the tissue fluid through the histohematic connective tissue barrier. When the tissue fluid flows from the organs into the lymphatics, it becomes lymph. The volume of tissue fluid in a rabbit amounts to 23–25 percent of the body mass; in man it amounts to 23–29 percent, with an average of 26.5 percent. Many histologists regard as tissue fluids the cerebrospinal fluid, the pericardial fluid, the fluid of the anterior chamber of the eye, and the fluid of the pleural cavity.

References in periodicals archive ?
22 and diagnosed with acute kidney injury secondary to interstitial nephritis (an inflammation of the tissue fluid between kidney tubules) and tracheo-esophageal fistula (an abnormal connection between the trachea and the esophagus).
ISL stage 1 This represents the early onset of the condition where there is accumulation of tissue fluid that subsides with elevation.
For example, soft tissue fluid retention, or extravasation, is a common problem during arthroscopy.
Are you aware of lipids being released in tissue fluid as the result of massaging or squeezing a finger during sample collection?
These thin "bubbles" are caused by tissue fluid leaking into the burnt area just beneath the skin's surface.
Always wipe away the first drop of blood, which may be contaminated with tissue fluid or debris (sloughing skin).
After removal of aural hematoma content for stripping of all debris, clots and tissue fluids, lavage with saline was performed.
You'll need soft-tissue mobilization to break up tissue fluids, release tension and inspire some play between the two muscles," she says.
Barbara described the effects of ultrasound as follows: a) Thermal--due to the sound waves generating heat in the tissue and b) Vibration--in which the ultrasound produces cavitation that occurs when gas-filled bubbles expand and compress because of ultrasonically induced pressure changes in tissue fluids, with a resulting increase in flow in the surrounding fluid.
Scope of quantity or scope: Equipment that will give NIFES a fully automated sample preparation system with a gas chromatograph for the determination of fatty acids in oils, foodstuffs, feed, tissue and tissue fluids.

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