iso-osmolar  fluid definition
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What does this mean: the nephron is iso-osmolar relative to interstitial fluid? ? Best Answer: iso osmolar means their is no difference in solute gradient between the two, so the solvent (usually water) wont go from one to the other by osmosis.
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Normal Saline, Sodium Chloride, 0.9% Normal Saline, Sodium Chloride, 0.9%. RMBIO manufactures Sodium Chloride, 0.9% (w/v) Isotonic Saline utilizing USP grade NaCl and formulated in USP Water For Injection quality water. Also known as Normal Saline, Blood Bank Saline or Isotonic Saline. Similar osmolality values as found in blood. Sterile and endotoxin tested making the product ideal for most research, testing and manufacturing applications including cell culture and molecular protocols.
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Introduction Hypotonic, hypertonic, and isotonic are relative terms. That is, they describe how one solution compares to another in terms of osmolarity. For instance, if the fluid inside a cell has a higher osmolarity, concentration of solute, than the surrounding fluid, the cell interior is hypertonic to the surrounding fluid, and the surrounding fluid is hypotonic to the cell interior.
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- Osmolarity is a measure of the concentration of the solutes in a solution, and is measured in moles of solute particles in a given volume of solution.Plasma osmolarity refers specifically to the osmolarity of blood plasma and typically measures only specific solutes.ow to Calculate Plasma Osmolarity. Osmolarity is a measure of the concentration of the solutes in a solution, and is measured in moles of solute particles in a given volume of solution. Plasma osmolarity refers specifically to the osmolarity of blood plasma and typically measures only specific solutes.
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Plasma osmolality Whereas osmolality (with an “ℓ”) is a measure of the osmoles (Osm) of solute per kilogram of solvent (osmol/kg or Osm/kg), osmolarity (with an “r”) is defined as the number of osmoles of solute per liter (L) of solution (osmol/L or Osm/L). 1 Measured osmolality (MO)
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Osmotic concentration In simpler terms, osmolality is an expression of solute osmotic concentration per mass of solvent, whereas osmolarity is per volume of solution (thus the conversion by multiplying with the mass density of solvent in solution (kg solvent/kg solution).
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- An isotonic solution refers to the state when two solutions have equal concentration of solutes across a semipermeable membrane. This state allows for the free movement of water without the dilution of solutes on either side and keeps cells functioning properly. To unlock this lesson you must be a Study.com Member.
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Plasma osmolality Whereas osmolality (with an ℓ) is a measure of the osmoles (Osm) of solute per kilogram of solvent (osmol/kg or Osm/kg), osmolarity (with an r) is defined as the number of osmoles of solute per liter (L) of solution (osmol/L or Osm/L).
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Molarity vs. osmolarity Molarity and osmolarity may sound similar, but they are two distinct concepts. Molarity (M) is the number of moles of solute per liter of solution. The unit of molarity is the mole (mol). Osmolarity (Osm/L) is the total concentration of all solutes in the solution. The unit of osmolarity is the osmol (osm). Osmolarity can be used to predict whether water will move from one side of a semipermeable membrane to the other.
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- urine osmolality is used to measure the number of dissolved particles per unit of water in the urine as a measure of urine concentration it is more accurate than specific gravity urine osmolality is useful in diagnosing disorders of urinary concentration such diabetes insipidous and in assessing hydration status comparison of the urine osmolality to the serum osmolality yields additional information about water handling by the kidney or abnormalities of urine concentration or dilution as does electrolyte studies typically the ratio of urine osmolality to serum osmolality is 1 3
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- Total tissue water responded as predicted by van't Hoff's osmotic relation to H2O?diluted seawater but was not clearly affected by the admixture of seawater with isosmotic MgSO4, suggesting that this solution may act as an isotonic medium.
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- isosthenuria /isos·then·uria/ (i″sos-thin-ūr´e-ah) excretion of urine that has not been concentrated by the kidneys and has the same osmolality as that of plasma. isosthenuria Nephrology The excretion of urine with the same osmolality as plasma i·sos·the·nu·ri·a (ī-sos'thĕ-nyūr'ē-ă)
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isotonic i·so·ton·ic. adj. 1. Of equal tension. 2. Isosmotic. 3. Having the same concentration of solutes as the blood: an isotonic saline solution. 4. Physiology Of or involving muscular contraction in which the muscle remains under relatively constant tension while its length changes. [ iso- + Greek. , tension; see tone + -ic .]. i′so·ton′i·cal·ly adv.
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Passive Transport 1 In a hypertonic solution, the extracellular fluid has a higher osmolarity than the fluid inside the cell; water leaves the cell.  In an isotonic solution, the extracellular fluid has the same osmolarity as the cell; there will be no net movement of water into or out of the cell.
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isotonic Isotonic definition, Also, isosmotic. Physical Chemistry. noting or pertaining to solutions characterized by equal osmotic pressure. See more.
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Diabetic hyperglycemic hyperosmolar syndrome As a result, the glucose level in your blood can become very high. The loss of water also makes the blood more concentrated than normal. This is called hyperosmolarity. It is a condition in which the blood has a high concentration of salt (sodium), glucose, and other substances. This draws the water out of the body's other organs, including the brain. Risk factors include: A stressful event such as infection, heart attack, stroke, or recent surgery.
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- When the tentacles were re-exposed to H2O?diluted seawater, tissue ionic contents and ionic and inulin spaces did not revert completely to the values obtained previous to exposure to isosmotic MgSO4. Therefore, although 1 mol/l MgSO4 solution was isosmotic with artificial seawater, it could not efficiently replace the latter as an isotonic medium.
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Osmolarity and Osmolality Osmolality is defined as the number of osmoles of solute per kilogram of solvent. It is expressed in terms of osmol/kg or Osm/kg. By Anne Marie Helmenstine, Ph.D. Osmolarity and osmolality are units of solute concentration that are often used in reference to biochemistry and body fluids.oth osmolarity and osmolality are defined in terms of osmoles. An osmole is a unit of measurement that describes the number of moles of a compound that contribute to the osmotic pressure of a chemical solution. Osmolarity is defined as the number of osmoles of solute per liter (L) of solution.
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Osmolarity and Osmolality Osmolarity and osmolality are units of solute concentration that are often used in reference to biochemistry and body fluids. While any polar solvent could be used, these units are used almost exclusively for aqueous (water) solutions.
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Osmotic concentration According to IUPAC, osmolality is the quotient of the negative natural logarithm of the rational activity of water and the molar mass of water, whereas osmolarity is the product of the osmolality and the mass density of water (also known as osmotic concentration).
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- 2). Osmotic Pressure: a). Isotonic: The solute concentration of the outside of the cell is equal to the solute concentration inside of the cells so there is no that results in no net movement of water into and out of the cell.
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Osmolality, Osmolarity and Fluid Homeostasis Osmotic gap. The osmotic gap (also called osmolal gap) is an arbitrary measure of the difference between the actual osmolality (measured by the laboratory) and the calculated osmolality. It is normally less than 10-15 mOsmol/kg (see local laboratory for range).
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What does this mean: the nephron is iso-osmolar relative to interstitial fluid? ? hyper osmolar means one has more solute than the other . as seen with osmosis , the solvent will go toward the side with more solute . in the case of urine , because it is hyperosmolar relative to the blood ( it has more solute ) , water tends to deposit in the urine rather than reenter the blood during processing in the kidney . the body can ...
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- The serum or plasma osmolality is a measure of the different solutes in plasma. Among other applications, serum osmolality is indicated to evaluate the etiology of hyponatremia and may be used to screen for alcohol intoxication by means of the osmolal gap. The reference range of serum osmolality is 275–295 mosm/kg (mmol/kg).
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Passive Transport As for a hypertonic solution, the prefix hyper- refers to the extracellular fluid having a higher osmolarity than the cell's cytoplasm; therefore, the fluid contains less water than the cell does. Because the cell has a relatively higher concentration of water, water will leave the cell, and the cell will shrink.
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- SERUM OSMOLARITY/ OSMOLALITY. Osmolality is the number of particles per kilogram of water (mOsm/kg). It is determine by the number. of particles in solution and not by particle size or valence. Example: glucose and albumen equal. 1 mOsm/ mmol of particles salt (N. a. CI) equals 2 mOsm/mmol.