define hypertonic state in muscles
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- hypertonic contractions definition, hypertonic contractions meaning | English dictionary. Search also in: Web News Encyclopedia Images. hypertonic. adj. 1 (esp. of muscles) being in a state of abnormally high tension. 2 (of a solution) having a higher osmotic pressure than that of a specified, generally physiological, solution.
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tonicity See hyperosmotic agent; osmotic pressure; physiological saline. hypotonic s. A solution with an osmotic pressure lower than that of an isotonic solution. Hypotonic ophthalmic solutions generally cause less irritation than hypertonic ones.See osmotic pressure. isotonic s. A solution with an osmotic pressure equal to that on the other side of a semipermeable membrane.Example: sodium chloride 0.9% is considered to be approximately isotonic with the tears. See osmotic pressure; physio-logical saline.ee hyperosmotic agent; osmotic pressure; physiological saline. hypotonic s. A solution with an osmotic pressure lower than that of an isotonic solution. Hypotonic ophthalmic solutions generally cause less irritation than hypertonic ones.
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- Hypertonic solutions are ones that have a higher solute concentration than that of the cell. Hypertonic solutions cause cells to shrivel and shrink in size, which can cause problems and inhibit proper cell functioning.xamples of Hypertonic Solutions. A hypertonic solution may be any solution that has a greater concentration of solutes outside of the cell, and one example of this is saline solutions used in medical care. Saline solutions are used to provide fluids intravenously as well as for contact lens care.
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Is the cell membrane permeable to ethanol? The three type are hypertonic, isotonic, and hypotonic. Hypertonic is when the tonicity of the cell is lower than that of the surrounding liquid, isotonic is when the tonicity… of the cell is equal to that of the surrounding liquid, and hypotonic is when the tonicity of the cell is greater than that of the surrounding liquid.
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- A toll road, also known as a turnpike or tollway, is a public or private roadway for which a fee (or toll) is assessed for passage. It is a form of road pricing typically implemented to help recoup the cost of road construction and maintenance, which (on public roads) amounts to a form of taxation.riticisms of toll roads include the time taken to stop and pay the toll, and the cost of the toll booth operators—up to about one third of revenue in some cases. Automated toll paying systems help minimize both these. Others object to paying twice for the same road: in fuel taxes and with tolls.
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Passive Transport Three terms—hypotonic, isotonic, and hypertonic—are used to relate the osmolarity of a cell to the osmolarity of the extracellular fluid that contains the cells . In a hypotonic situation, the extracellular fluid has lower osmolarity than the fluid inside the cell, and water enters the cell.
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- The distinction from dystonic hypertonia is based on the lack of an associated abnormal posture or extreme position of the joint. This distinction may also be supported by the finding of a lack of muscle activity at rest. In rigidity, muscle activity is brought on by the externally imposed movement.
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- Isotonic literally means 'same tension,' where 'iso'- means 'the same' and 'tonic' refers to 'tension or force' - in this case, in the muscle. In an isotonic contraction, tension develops to a point and then remains constant while the muscle changes its length.
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isotonic exercise isotonic exercise. exercise or a program of exercises to increase muscular strength, power, and endurance based on lifting a constant amount of weight at variable speeds through a range of motion.
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Difference Between Isotonic and Isometric The word ‘isotonic’ means equal tension or weight. In this contraction, the tension developed is constant while the length of the muscle changes. It involves muscle shortening and active contraction and relaxation of the muscles and occurs with movements such as walking, running, skipping etc.
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- Isotonic is when the cell is the same concentration as the surrounding solution. Hypotonic is when the cell is more concentrated than the surrounding solution and water move … s in. Hypertonic is when the cell is less concentrated than the surrounding solution and water moves out.
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hypertonic 2. having an osmotic pressure greater than that of the solution with which it is compared. hypertonic dehydration. occurs when the body loss or deprivation is of water only, i.e. there is no electrolyte loss. hypertonic saline test. see hickey-hare test.
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HYPOTONICITY hypertonicity - (of a solution) the extent to which a solution has a higher osmotic pressure than some other osmotic pressure - (physical chemistry) the pressure exerted by a solution necessary to prevent osmosis into that solution when it is separated from the pure solvent by a semipermeable membrane
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- concentric An isotonic contraction where the muscle shortens. Isometric A muscular contraction in which the length of the muscle does not change. isotonic A muscular contraction in which the length of the muscle changes. eccentric An isotonic contraction where the muscle lengthens.
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Medical Definition of Isotonic exercise Medical Definition of Isotonic exercise Isotonic exercise: Exercise when a contracting muscle shortens against a constant load, as when lifting a weight. Isotonic exercise is one method of muscular exercise. In contrast, isometric exercise is when muscular contractions occur without movement of the involved parts of the body. Isotonic comes from the Greek iso-, equal + tonos, tone = maintaining equal (muscle) tone. The muscle maintains equal tone while shortening in isotonic exercise.
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Hypertonic and Hypotonic Cerebral Palsy Hypertonic and Hypotonic Cerebral Palsy. As the most common form of cerebral palsy (CP), hypertonic CP accounts for 80% of all cases in the United States. Hypertonic CP is considered spastic, marked by extremely stiff muscles. On the other hand, hypotonic CP, marked by extremely loose and floppy muscle tone, accounts for less than half of all CP cases.
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Hypertonia Hypertonia: Abnormally increased muscle tone or strength. Hypertonia: Abnormal increase in skeletal or smooth muscle tone. Skeletal muscle hypertonicity may be associated with PYRAMIDAL TRACT lesions or BASAL GANGLIA DISEASES. Hypertonia: abnormal increase in skeletal or smooth muscle tone; skeletal muscle hypertonicity may be associated with pyramidal tract lesions or basal ganglia diseases.
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Introduction Three terms—hypotonic, isotonic, and hypertonic—are used to compare the osmolarity of a cell to the osmolarity of the extracellular fluid around it. Note: When we use these terms, we are considering only solutes that cannot cross the membrane.
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Hypertonic Definition and Examples Hypertonic Example. Red blood cells are the classic example used to explain tonicity. When the concentration of salts (ions) is the same inside the blood cell as outside of it, the solution is isotonic with respect to the cells and they assume their normal shape and size.
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Difference Between Isotonic and Hypertonic There are three classifications of tonicity that one solution can have relative to another.They are hypertonic, hypotonic, and isotonic. The key difference between Isotonic and Hypertonic is that the hypertonic solution contains more solvent than solute whereas the solute and solvent are equally distributed in the isotonic solution. However, memorizing the definition of hypertonic and isotonic solutions is not essential if we can understand the difference between isotonic and hypertonic solutions. What is Hypertonic? Hyper is another word for above or excessive.
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Introduction Tonicity in living systems. If a cell is placed in a hypertonic solution, water will leave the cell, and the cell will shrink. In an isotonic environment, the relative concentrations of solute and water are equal on both sides of the membrane. There is no net water movement, so there is no change in the size of the cell.
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- There are two terms that commonly describe abnormal muscle tone. One is hypertonia and the other is hypotonia. In hypertonia, too much tone enters the body. Muscles become stiff and sometimes stuck in certain positions (e.g. walking on the toes).
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Osmosis: Definition & Examples 'Hyper-' means high, so hypertonic solution is one in which the overall concentration of solutes is higher than it is in the cytosol. In a hypertonic solution, water flows out of the cell to try to even out the concentration of solutes on both sides of the membrane. This makes cells shrink or shrivel up.
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What is a fatwa? Definition of fatwa - a ruling on a point of Islamic law given by a recognized authority. Definition of fatwa - a ruling on a point of Islamic law given by a recognized authority. dictionary
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Muscle contraction Muscle contractions can be described based on two variables: length and tension. A muscle contraction is described as isometric if the muscle tension changes but the muscle length remains the same. In contrast, a muscle contraction is isotonic if muscle length changes but the muscle tension remains the same. If the muscle length shortens, the contraction is concentric; if the muscle length lengthens, the contraction is eccentric.
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13.5 Colligative Properties A solution is hypertonic when it has a greater concentration  of particles than another solution. In contrast, a hypotonic  solution has a lower concentration of particles t…han another  solution. If they have the same concentration, the two solutions  are said to be isotonic. 2 people found this useful.