ECF

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Related to extracellular fluid: intracellular fluid

ECF

(Enhanced Connectivity Facilities) IBM software that allows DOS PCs to query and download data from mainframes and issue mainframe commands. It also allows printer output to be directed from the PC to the mainframe. It uses the SRPI interface and resides in the PC (client) and mainframe (server). Applications issue SRPI commands to request services.
References in periodicals archive ?
Moreover, circulating concentrations of renin, angiotensin II, and aldosterone are all increased when blood flow to the kidneys is reduced, thus leading to increased sodium retention, increased extracellular fluid and low concentration of extracellular potassium because of urine losses.
HYDRA ECF/ICF (model 4200): Bio-impedance spectrum analyzer for measuring intracellular and extracellular fluid volumes.
These correlations suggest that plasma cholinesterase activity in quail is not limited to plasma but occupies some larger pool of the extracellular fluid volume, and we suggest that lymph is part of that pool.
Fluoride in this form may be readily available to move from a bone compartment to extracellular fluid.
Study of calcium levels in renal failure cerning the actions of the three calciotropic hormones on the target organs of bone, gut, and kidney, and possibly also on fluxes between the bone canalicular fluid and the extracellular fluid.
On the other hand, since glutamate (Glu) and [gamma]-aminobutyric acid (GABA) play the dominant regulating effect on STN activity, changes of Glu and GABA levels in STN extracellular fluid were observed by a microdialysis study as well.
11-13) An NIH article in 2007 notes that "Ascorbate in pharmacologic concentrations selectively generates ascorbate radical and hydrogen peroxide in extracellular fluid in vivo.
The vasoconstriction causes hypertension, and the increased extracellular fluid volume contributes to edema and hypertension.
The definition criteria by Loh and Verbalis included the following: decreased effective osmolality of the extracellular fluid (plasma osmolality less than 275 mOsm/kg H2O), inappropriate urinary concentration (urine osmolality greater than 100 mOsm/kg H2O with normal renal function), clinical euvolemia, elevated urinary sodium excretion on a normal salt and water diet, absence of other potential causes of euvolemic hypoosmolality (1).
Intracellular constituents are then extruded into the extracellular fluid and plasma.
1) Parathyroid hormone is the most important endocrine regulator of calcium and phosphorus concentration in extracellular fluid.

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