What's the difference between solution and tonicity?

Solution


Definition:

  • (n.) The act of separating the parts of any body, or the condition of undergoing a separation of parts; disruption; breach.
  • (n.) The act of solving, or the state of being solved; the disentanglement of any intricate problem or difficult question; explanation; clearing up; -- used especially in mathematics, either of the process of solving an equation or problem, or the result of the process.
  • (n.) The state of being dissolved or disintegrated; resolution; disintegration.
  • (n.) The act or process by which a body (whether solid, liquid, or gaseous) is absorbed into a liquid, and, remaining or becoming fluid, is diffused throughout the solvent; also, the product reulting from such absorption.
  • (n.) release; deliverance; discharge.
  • (n.) The termination of a disease; resolution.
  • (n.) A crisis.
  • (n.) A liquid medicine or preparation (usually aqueous) in which the solid ingredients are wholly soluble.

Example Sentences:

  • (1) F(420) is photolabile aerobically in neutral and basic solutions, whereas the acid-stable chromophore is not photolabile under these conditions.
  • (2) The authors have presented in two previous articles the graphic solutions resembling Tscherning ellipses, for spherical as well as for aspherical ophthalmic lenses free of astigmatism or power error.
  • (3) With NaCl as the major constituent of the bathing solution (potassium-free pipette and external solutions) the reversal potential (Er) of the noradrenaline-evoked current was about 0 mV.
  • (4) It has recently been suggested that procaine penicillin existed in solution in vitro and in vivo as a "procaine - penicillin" complex rather than as dissociated ions.
  • (5) The most successful dyes were phenocyanin TC, gallein, fluorone black, alizarin cyanin BB and alizarin blue S. Celestin blue B with an iron mordant is quite successful if properly handled to prevent gelling of solutions.
  • (6) In the fall of 1975, 1,915 children in grades K through eight began a school-based program of supervised weekly rinsing with 0.2 percent aqueous solution of sodium fluoride in an unfluoridated community in the Finger Lakes area of upstate New York.
  • (7) The idea that 80% of an engineer's time is spent on the day job and 20% pursuing a personal project is a mathematician's solution to innovation, Brin says.
  • (8) In Ca free-solution phenylephrine inhibited the response to CaCl2.
  • (9) These were an isotonic solution of sodium chloride (900 micrograms NaCl in 0.1 ml), histamine (100 mu g in 0.1 mu l), phytohaemagglutinin (200 mu g in 0.1 ml), and a staphylococcus lysate (STAVA).
  • (10) Results demonstrate that the development of biliary strictures is strongly associated with the duration of cold ischemic storage of allografts in both Euro-Collins solution and University of Wisconsin solution.
  • (11) Caries-related bacteriological and biochemical factors were studied in 12 persons with low and 11 persons with normal salivary-secretion rates before and after a four-week period of frequent mouthrinses with 10% sorbitol solution (adaptation period).
  • (12) The pH of ST solutions varied with the mode of oxygenation as follows: 7.9-8.2 in Groups I and IV; 8.7-8.9 in Groups II and V; 7.1-7.4 in Groups III and VI.
  • (13) Regulators concerned about physician behavior and confronted by demands of nonphysicians to prescribe controlled substances may find EDT a good solution.
  • (14) Ten milliliters of the solution inappropriately came into contact with nasal mucous membranes, causing excessive drug absorption.
  • (15) A technique, using Nuclepore polycarbonate membrane filters as a containing medium for very small volumes of ionic standard solutions, to produce homogeneous ice standards is described.
  • (16) A failure to reach a solution would potentially leave 200,000 homes without affordable cover, leaving owners unable to sell their properties and potentially exposing them to financial hardship.
  • (17) Poly (8NH2G) does not interact with poly(C) in neutral solution because of the high stability of the hemiprotonated G-G self-structure.
  • (18) The following possible explanations were discussed: a) the tested psychotropic drugs block prostaglandin receptors in the stomach; b) the test substances react with prostaglandin in the nutritive solution; c) the substances stimulate metabolic processes in the stomach wall that break down prostaglandin.
  • (19) For routine use, 50 mul of 12% BTV SRBC, 0.1 ml of a spleen cell suspension, and 0.5 ml of 0.5% agarose in a balanced salt solution were mixed and plated on a microscope slide precoated with 0.1% aqueous agarose.
  • (20) Thus Sephadex chromatography of the solution obtained by dissolving the antigen-antibody precipitate in these media repeatedly gave two peaks corresponding to anti-ovalbumin and ovalbumin.

Tonicity


Definition:

  • (n.) The state of healthy tension or partial contraction of muscle fibers while at rest; tone; tonus.

Example Sentences:

  • (1) It is suggested that diabetes causes selective changes in the functioning of Gi in adipocyte membranes which removes the tonic GTP-dependent inhibitory function of this G-protein.
  • (2) Other Christmas favourites, including stollen, organic mince pies and Schweppes tonic will also be included among 100 seasonal products on the list of 1,000 items which shoppers can choose from over the next few months.
  • (3) In intact cell preparations, diamide produced a slow tonic contraction, consistent with myofibril activation.
  • (4) However, tetanic stimulation gave the same results as in untreated preparations when the tonicity was increased.
  • (5) Stimulus-response characteristics suggested that this system was well suited for a role in tonic inhibition of sympathetic activity.
  • (6) The amplitude was 15-70% as large as the tonic component of the K-contracture induced by 40 mM K. Theophylline (10 mM), 0.1 mM papaverine and 1 microM isoprenaline nearly abolished, and 1 mM cAMP partly depressed the tonic contraction of K-contracture, whereas the tonic contraction induced by the test solution was unaffected.
  • (7) While tonic pupil and reduced sweating can be attributed to the affection of postganglionic cholinergic parasympathetic and sympathetic fibres projecting to the iris and sweat glands, respectively, the pathogenesis of diminished or lost tendon jerks remains obscure.
  • (8) Some organization schemes concerning locomotor and scratching rhythmicity generators are considered, such as: two half-centres with reciprocal inhibitory connections and tonic excitatory influences on these half-centres: two half-centres with inhibitory-excitatory connections and tonic excitatory influences on one half-centre; ring structures consisting of more than two functional groups of neurons with excitatory and inhibitory connections between them.
  • (9) Overall, carbamazepine and phenytoin are recommended drugs of first choice for single-drug therapy of adults with partial or generalized tonic-clonic seizures or with both.
  • (10) It was previously believed that the period of the circadian clock was primarily responsive to externally imposed tonic or phasic events.
  • (11) For now, he leans on the bar – a big man, XL T-shirt – and, in a soft Irish accent, orders himself a small gin and tonic and a bottle of mineral water.
  • (12) Relying on traditional medicine, all 20 women reported eating brown seaweed soup for 20 days after childbirth, and 5 said that they took tonic herbs during the puerperium.
  • (13) Amplitudes of the tonic response evoked by 39 mM-K+ in intact muscle tissues and the contraction induced by 0.3 microM-Ca2+ in skinned muscle were much the same.
  • (14) Tonic sympathetic neural control of heart rate was inferred from bradycardia after treatment with the adrenergic neuron-blocking agent, bretylium tosylate.
  • (15) These results clearly indicate that in both intact and OVX does, endogenous NPY is in part responsible for maintaining basal, tonic LH secretion.
  • (16) All motoneuron firing during fictive swimming is associated with a tonic depolarization that falls away slowly once firing stops, is increased by hyperpolarizing current, and is reduced by depolarizing current.
  • (17) The tonic influences were expressed in an increase in the amplitude parameters of the responses of the visual cortex in conditions of the formation in the posterolateral nucleus of the thalamus of a focus of heightened excitability (anode polarization), and their perceptible diminution with potassium depression in this nucleus.
  • (18) Lateralization may be an expression of reflex constraints bound initially to the infant's tonic-neck posture, with later development less reflex-patterned during the acquisition of more sophisticated information-processing strategies.
  • (19) During each session, measurements were made of either tonic accommodation or tonic vergence 30 s before stimulus onset and at 0.5, 2, 4, 6, 8, 10, 12, and 14 min after stimulus offset.
  • (20) The findings can be summarized as follows: (1) The effective concentration of SDS for termination of shark tonic immobility (an immediate and fast response) was close to its critical micellar concentration in sea water (70 microM).

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