(1) The possible advantages of brain slice technique in comparison with direct peroperative microrecording are discussed; absence of artifacts from respiratory and pulsatory movements of the brain is stressed.
(2) The resulting sensitivity to glucose 6-phosphate may lead to a pulsatory action of the enzyme during oscillatory glycolysis.
(3) The collapse-phenomenon of the central retinal artery induced by compression of the eyeball and the pulsatory variations of the intraocular pressure were recorded simultaneously.
(4) They demonstrate the effectiveness of pulsatory endogenous hormone release in the regulation of protein synthesis.
(5) He described the independent pulsatory activity of single cells grown out of a tissue explant.
(6) When 48-hr monolayer cultures were established, the cells showed normal pulsatory contractions.
(7) A significantly higher GH secretory response was observed in the leaner FC line chickens, which was probably related to the more pronounced pulsatory GH secretion rate in these chickens.
(8) Only a few conclusions can be mentioned: The IO pressure of the normal eye is not fixed, but shows spontaneous variations of pulsatory, respiratory, vasomotoric and diurnal type.
(9) The pulsatory character of the flow was observed though the transconductance of increase and decrease fronts of the rate (as the result of oxygenator "MOCT-122" installation) demonstrated their satisfactory functioning.
(10) It is assumed that the pulsatory volume fluctuations are a function of the instantaneous intra-arterial blood pressure.
(11) We analyze in a biochemical model the phenomenon of excitability in which suprathreshold perturbations of a stable steady state are amplified in a pulsatory manner.
(12) In a short-term patient study, we observed that pulsatile and continuous intravenous administration of GH generated identical increases in serum insulin-like growth factor I, which suggests that both pulsatory and constant, small elevations in serum GH are important for its actions.
(13) This fact could give evidence of importance of pulsatory work in cardiac consequence of hypertension.
(14) Information can be obtained regarding coronary calcifications, slight enlargement of a heart chamber or great vessel, localization and extension of abnormal contours within the heart shadow, pulsatory phenomena at the heart border or the great vessels, and functional changes of lung structures during respiration.
(15) Thus the nervous fibre-Schwann cell assembly may be regarded as a balanced pulsatory chemo-electric unit.
(16) The authors carried out a low-dose pulsatory GnRH-treatment on eight patients with luteal insufficiency, who were earlier treated unsuccessfully with other ovulation-inductive methods (clomiphene, hCG, bromocryptin).
(17) Blood flow velocities and pulsatory indices in both renal arteries (RAs) and in the internal carotid artery (CAI) were measured by pulsed Doppler ultrasonography in ten preterm infants with patent ductus arteriosus (PDA), before and after surgical ligation.
(18) The pressure was changed mechanically, either by clamping external circulations or, in some cases, by modifying the frequency of a pulsatory pump placed in series with the heart, thus ensuring constant blood flows in the ventral aorta.
(19) A suprathreshold level of extracellular cAMP is needed to elicit relay which consists in a pulsatory synthesis of intracellular cAMP.
(20) Twenty patients with papillomavirus-induced genital warts received pulsatory treatment with interferon gamma by subcutaneous injections in the abdominal skin.
Rhythmic
Definition:
(a.) Alt. of Rhythmical
Example Sentences:
(1) administration of the potent short-acting opioid, fentanyl, elicited inhibition of rhythmic spontaneous reflex increases in vesical pressure (VP) evoked by urinary bladder distension.
(2) The observation that phase reversals did not occur in area 29, together with the low incidence of phasic (rhythmic) theta-on cells, suggests that the posterior cingulate cortex does not independently generate type 2 theta.
(3) Preliminary rhythmic somatic stimulation has a predominantly facilitating effect on EPs appearing in response to tonal stimuli in the areas A1, S2, S1.
(4) We conclude that the pacemaker cells are necessary for rhythmic contractile activity and that cells outside this region do not contract spontaneously.
(5) Under best possible conditions of oxygen supply but in a later stage of perfusion, contractility during rhythmical stimulation is depressed more at lower than at higher rates.
(6) These data suggest that SCN plays a significant role in controlling the rhythmic activity of LHA, VMN and the pineal gland.
(7) 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.
(8) It is shown that when a constant current is applied such that a stable equilibrium and rhythmic firing are present, the following predictions are inherent in the HH system of equations: (a) Small instantaneous voltage perturbations to the axon given at points along its firing spike result in phase resetting curves (when new phase versus old phase is plotted) with an average slope of 1.
(9) The relaxation achieved by rhythmic photoacoustic effects with the help of the device pre-supposes the regulation of the patient's respiration.
(10) When initiated, the two rhythmic activities continued with no further external stimulation although the intraoral self-stimulation differed.
(11) The clinical risks of the reperfusion syndrome are low, practically never rhythmic and only exceptionally haemodynamic.
(12) Disruption of the rhythmic activity of the inspiratory neurons and its replacement by a continuous and irregular discharge may lead to sustained contraction of inspiratory muscles and cessation of respiration.
(13) The rhythmic waves induced by these ions were recorded in the olfactory bulb.
(14) Different repercussion of drug therapy on rhythmic profile of patients with CHF.
(15) The spontaneous rhythmic contraction (RC) occurred consistently in the preparation taken from the thoracic aorta without external stimuli.
(16) This difference, however, did not influence the detection of rhythmical ictal activity in cheek and sphenoidal montages in our study, nor the assignment of side, site or time of seizure onset by unbiased readers.
(17) These observations indicate that the central neural mechanisms responsible for the generation and entrainment of circadian rhythmicity in the rat are not capable of either the functional or morphological plasticity characteristic of other developing neural systems.
(18) The same concentration of carbachol, after metabolic depletion by substrate removal, produced rhythmic contractions and action potentials.
(19) Critical features of the model include a non-monotonic relationship between recovery time during rhythmic stimulation and the state of membrane properties, and a steeply sloped recovery of membrane properties over certain ranges of recovery times.
(20) The preparation was spontaneously active under minimal resting tension (less than 150 mg) and at temperatures above 28 degrees C. Slow depolarizations led to a burst of spikes (multi-spike complexes), which corresponded to rhythmic contractions.