(a.) Having or indicating, equal tones, or tension.
Example Sentences:
(1) 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).
(2) Post-irradiation hypertonic treatment inhibited both DNA repair and PLD recovery, while post-irradiation isotonic treatment inhibited neither phenomenon.
(3) G-17-I infusion, the stomach was continuously infused with isotonic saline.
(4) Isotonically, peak muscle shortening was reduced in the left muscle, whereas time to peak shortening was prolonged in the right myocardium.
(5) Subacute lead exposure has been observed to inhibit the natriuretic response to isotonic saline expansion in adult female rats.
(6) Alteration in the temperature of the Isoton diluent in a Coulter model S counter over a range of possible laboratory working temperatures produced a change in the mean corpuscular volume using EDTA and dipotassium acid citrate dextrose blood and a commercial control, 4C.
(7) Bullfrog sympathetic ganglion cells were capable of producing action potentials (Ca spikes) in an isotonic (84 mM) CaCl2 solution.
(8) In the normal Wistar rat, the plasma alpha-MSH level was raised by hypertonic saline injection (as compared with control rats injected with isotonic saline).
(9) Control infusions were of 0.9% saline and isotonic dextran 70 (Pharmacia).
(10) These measurements were repeated on a second occasion following the ingestion of 400 ml of an isotonic lactulose solution.
(11) 10 rats were used as controls and received isotonic NaCl-solution on the same days.
(12) At a second operation, 10 days later, these adhesions were graded and lysed, after which the animals received one of the following solutions intraperitoneally: 5 per cent PEG 4000 (n = 21), 25 per cent PEG 4000 (n = 23), 32 per cent dextran 70 (n = 22) or isotonic saline (n = 25), or were left as an untreated control group (n = 20).
(13) The effect of junctional complexes that are permeable to ions and water on the predictions of the standing-osmotic gradient model for isotonic water absorption is considered.
(14) The drinking of a variety of isotonic salt solutions provoked a short load-dependent diuretic response in man, similar in latency to that of a water diuresis and reaching its maximum 40-60 min from the start of drinking.
(15) Six healthy volunteers received intravenous infusions of isotonic (0.9% NaCl) and hypertonic (3% NaCl) saline on separate days.
(16) Since the cumulative natriuretic response to isotonic saline infusion was larger in dogs in positive sodium balance compared to those in negative sodium balance, the failure to detect a difference following hypertonic saline infusion was probably because of the increased plasma sodium concentration.
(17) Thus isotonic heat production first decreased and then increased with increasing tension or tension-time integral.
(18) The authors favor conservative treatment of tennis elbow, starting with cessation of the offending activity and prescription of a nonsteroidal anti-inflammatory drug (NSAID) and followed by isometric and isotonic exercises when pain and inflammation have subsided.
(19) The effects of gossypol acetic acid on isometric and isotonic contractions of isolated ferret heart ventricular muscle was recorded on a myograph.
(20) Measurements were made on locomotor performance (burst run and swim speed, run and swim endurance), morphology (body, tail, and hindlimb length, body mass), and skeletal muscle mechanics (isometric: twitch and tetanic tension, rates of force development and relaxation; isotonic: maximal velocity of shortening and power output) in a size range of individual salamanders (Ambystoma tigrinum nebulosum) at 10 and 20 degrees C. The size dependence of each factor was determined, and the interindividual correlations among factors were measured after removal of size effects.
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).