(a.) Directed back; attended by reflection; retroactive; introspective.
(a.) Produced in reaction, in resistance, or in return.
(a.) Of, pertaining to, or produced by, stimulus or excitation without the necessary intervention of consciousness.
(n.) Reflection; the light reflected from an illuminated surface to one in shade.
(n.) An involuntary movement produced by reflex action.
(v. t.) To reflect.
(v. t.) To bend back; to turn back.
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) Completeness of isolation of the coronary and systemic circulations was shown by the marked difference in appearance times between the reflex hypotensive responses from catecholamine injections into the isolated coronary circulation and the direct hypertensive response from a similar injection when the circulations were connected as well as by the marked difference between the pressure pulses recorded simultaneously on both sides of the aortic balloon separating the two circulations.4.
(3) They are best explained by interactions between central sympathetic activity, brainstem control of respiration and vasomotor activity, reflexes arising from around and within the respiratory tract, and the matching of ventilation to perfusion in the lungs.
(4) It is concluded that TRH is a specific activator of enteric excitatory pathways and that duodenal inhibition seen in control animals is a consequence of gastro-duodenal inhibitory reflexes.
(5) We conclude that the rat somatosympathetic reflex consists of an early excitatory component due to the early activation of RVL-spinal sympathoexcitatory neurons with rapidly conducting axons and a later peak that may arise from the late activation of these same neurons as well as the early activation of RVL vasomotor neurons with more slowly conducting spinal axons.
(6) These later results suggest that dopamine agonists increase sensorimotor reactivity measured with acoustic startle by acting on sensory rather than motor parts of the reflex arc.
(7) Stimulation with these electrodes were effective for inducing voiding with little residual volume after the recovery of bladder reflexes, 3 weeks after experimental spinal cord injury in the dog.
(8) Our experience shows that the most accurate indications are provided by acoustic stapedius reflex, brainstem auditory evoked potentials (BAEPs) and vestibular investigation.
(9) These reflexes can function to limit forces applied to a leg and provide compensatory adjustments in other legs.
(10) The influence of vestibular dysfunction upon the vestibulospinal reflex (VSR) in two common peripheral syndromes was investigated by two types of posturographic examination: "static" posturography, recording and analyzing the postural sway in stance, and "kinetic" posturography, recording the stepping in place test.
(11) However, H2-blocking agents, such as cimetidine and ranitidine, given either intravenously or intraspinally had a scarcely measurable effect on the spinal reflex.
(12) The H reflex response was found in the anterior tibialis muscle, at least unilaterally if not bilaterally, in eight of nine subjects with Huntington disease and in five of eight persons at risk.
(13) Tendon (T) and Hoffmann (H) reflexes were analyzed during static stretching (SS).
(14) From the results presented it appears that morphine produces a reciprocal change in the activity evoked in extensor and flexor reflex pathways.
(15) The poststenotic ischemia induced by sympathoexcitatory reflexes can also be prevented by blocking the sympathoexcitation at the central nervous level by clonidine.
(16) Furthermore, CV1% and DV6% have proved to be valid parameters in finding differences in the light reflex in non-age-matched study groups.
(17) This phenomena is strongly marked in spastic and mixed types of drowning and is absent in aspiration and reflex types.
(18) Investigations in normal subjects demonstrate that the LLR is a reflex mediated by fast conducting muscle and cutaneous afferents.
(19) It was also established that the right-left differences in the H-reflex latencies were directly related to the degree of the right-hand preference in the female subjects.
(20) The EMG silent periods (SP) produced in the open-close-clench cycle and jaw-jerk reflex were compared for duration before and after treatment with an occlusal bite splint.
Reflux
Definition:
(a.) Returning, or flowing back; reflex; as, reflux action.
(n.) A flowing back, as the return of a fluid; ebb; reaction; as, the flux and reflux of the tides.
Example Sentences:
(1) The use of glucagon in double-contrast studies of the colon has been recommended for various reasons, one of which is to facilitate reflux of barium into the terminal ileum.
(2) This suggests that a physiological mechanism exists which can increase the barrier pressure to gastrooesophageal reflux during periods of active secretion of the stomach, as occurs in digestion.
(3) This is a report concerning a unique combination of Alzheimer's disease with the following refluxes: buccosalivary, gastroesophageal, vesicoureteral, urethroprostatic and urethrovesicular, along with neurogenic bowel and neuropathic bladder.
(4) It was considered worthwhile to report this case due to the problems which arose concerning the choice of a thoracic rather than abdominal route owing to the impossibility of associating cardiomyotomy with anti-reflux plastica surgery because of the reduced dimensions of the stomach.
(5) In case of biliary and pancreatic duct obstruction with pure pancreatic reflux, both oedema and inflammatory infiltrations were evident, whereas, in the presence of biliary reflux too, more serious histological features were detected.
(6) A quantitative index of duodenogastric reflux was obtained in each case by determining the percentage of the injected dose of 99mTechnetium-DISIDA that was recovered by continuous aspiration of gastric juice in fasting subjects.
(7) Reflux control, evaluated by clinical appraisal and roentgenograms in all patients and by 24-hour esophageal pH monitoring in some, has been complete in all patients throughout the study.
(8) A case of incomplete peno-scrotal transposition, with a perineal anorectal duplication, vesico-ureteric reflux and thoracic hemivertebrae is presented.
(9) Two of the excluded women refluxed during episodes of hiccough that occurred shortly after induction of anaesthesia.
(10) Early diagnosis and management of gastro-oesophageal reflux may help to minimise these lung function abnormalities.
(11) Trials of these therapeutic schemes promise a higher efficacy of the therapeutic measures for gastroesophageal reflux.
(12) A significant effect for pirenzepine was seen for episodes greater than 5 min (t = 2.61, P = 0.023) and a trend towards significance was seen for total (upright and supine positions combined) percent time of reflux (t = 2.13, P = 0.055).
(13) Importance of the water and acid-barium tests (De Carvalho and Donner tests) was proved in a large series of cases demonstrating an unknown gastro-oesophageal reflux and an associated oesophagitis.
(14) One hundred and two rats were subjected to one of following three surgical procedures: Antiperistaltic duodenogastric reflux (ADGR) was made for duodenal juice to reflux through the pylorus into the stomach.
(15) The diagnosis of G-E reflux was confirmed in all by the acid reflux test; esophagitis was present in 55% of patients submitted to endoscopy; the Bernstein test was positive in 43%.
(16) In none of the 22 followed-up patients (26 organs) did the reflux in the miction cystogram appear.
(17) Results of medical therapy of reflux oesophagitis are disappointing, especially compared to the success obtained in peptic ulcer disease.
(18) For many patients, gastroesophageal reflux disease (GERD) is a manageable condition.
(19) Regarding ureters read as true positives on indirect study, if that ureter has ever shown reflux at any time, or if it drained a scarred kidney specificity was improved to 97% without changing the sensitivity.
(20) Diagnostic problems were encountered in differentiating among multicystic dysplastic kidneys and ureteropelvic junction obstruction, dilatation owing to reflux or obstruction and lack of visualization of small hypoplastic kidneys.