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1An action that is performed without conscious thought as a response to a stimulus:‘a newborn baby is equipped with basic reflexes’
- ‘Monitor urine output, deep tendon reflexes and serum levels.’
- ‘Secretion into the bloodstream is increased by the presence of food, particularly protein, in the stomach, and is also stimulated by neural reflexes.’
- ‘It must be remembered that some individuals do not have a blink reflex, due to neuro-muscular problems with the eye, and therefore are at serious risk from this laser exposure.’
- ‘These are inhibitory reflexes, excited by deglutition, by gastric distension, and by intestinal dilatation.’
- ‘Families frequently misdiagnose their loved ones' involuntary muscle reflexes as consciousness.’
- ‘Elevation of the larynx during the swallowing reflex protects the airway and opens the upper esophageal sphincter.’
- ‘These receptors also excite the defecation reflex.’
- ‘My patient still had a few elicitable neurological reflexes.’
- ‘They act on the brain to hold back the cough reflex.’
- ‘Two significant complications of lung transplantation include the impairment of the cough reflex and mucociliary clearance.’
- ‘All his paradigm required was linking and relinking stimuli and responses: a salivary reflex, once produced by food, was now evoked by a bell signaling the coming of food.’
- ‘Neurologic examination revealed symmetric reflexes with normal sensation and strength.’
- ‘Deep tendon reflexes disappear within the first few days of symptom onset.’
- ‘Border Collies have a high startle reflex, which can sometimes endanger their lives.’
- ‘Thinking about your baby can stimulate the let-down reflex.’
- ‘He saw people as conditioned reflexes, not souls with intentions, willpower and choice.’
- ‘Pavlov's studies investigated the way in which environmental stimuli inspired biological reflexes in animals.’
- ‘The medulla controls this involuntary swallowing reflex, although voluntary swallowing may be initiated by the cerebral cortex.’
- ‘Sleep on your back - when the spit collects back there, it triggers a swallowing reflex.’
- ‘Either mechanical tapping or electrical stimulation of the supraorbital regions may evoke the blink reflex.’
- 1.1 (in reflexology) a response in a part of the body to stimulation of a corresponding point on the feet, hands, or head:[as modifier] ‘reflex points’
- ‘The reflexes in the feet are stimulated with various massage techniques to promote healing in the body.’
- ‘The points on the ear have their reflex to different bodily functions or organs.’
- ‘When the nervous system becomes involved, the muscle tendon bundles remain hypertonic and pain reflexes in the area are activated.’
- ‘Applying pressure to reflex points makes it possible to interact with the interconnected systems of the body at an energetic level and restore homeostatic function.’
2A thing which is determined by and reproduces the essential features or qualities of something else:‘politics was no more than a reflex of economics’
- ‘Her feet followed his automatically, as a reflex from many hour of being tortured in etiquette, posture, and dance classes.’
- ‘In doing so they constitute a public and communal reflex of that private, complex, individual and highly personal process through which people cope with, and come to terms with, the vicissitudes of life.’
- ‘This individualism was perhaps a natural reflex of an economy bursting forth from its medieval limitations.’
- ‘That is to say, there are referential and quantificational uses of indefinite descriptions and these are a reflex of a genuine semantical ambiguity.’
- 2.1 A word formed by development from an earlier stage of a language.
- ‘Orza is the Italian reflex of a common Romance word generally thought to be of Latin origin.’
3archaic A reflected source of light:‘the reflex from the window lit his face’
1(of an action) performed without conscious thought as an automatic response to a stimulus:‘sneezing is a reflex action’
instinctive, automatic, mechanical, involuntary, knee-jerk, reflexive, impulsive, intuitive, spontaneous, unconscious, subliminal, unthinking, unpremeditated, unconditioned, untaught, unlearned, unintentional, unwitting, inadvertent, accidentalView synonyms
- ‘Muscle spindles are primarily influenced by changes in length and are responsible for reflex contraction of the skeletal muscles in response to stretching.’
- ‘The same event, however, can take place without a swallow as a reflex response to mechanical stimulation of the esophagus.’
- ‘Later it becomes a reflex action in response to the baby's cry or just by thinking about the baby or feeding.’
- ‘Almost as if it were a reflex response, journalists and some scientific researchers alike blame technology and changes to family life for childhood obesity.’
- ‘We now know that this reflex response is initiated from the class of sensory receptors called muscle spindle receptors.’
- ‘Certainly, the very rapid respiratory rates seen during the tidal breathing collection in some of the children in this study must be attributed to reflex or cortical responses to testing.’
- ‘This suggests that reflex mechanisms are diminished during the transition to sleep.’
- ‘The inhibitor of nitric oxide synthase failed to inhibit this response, and it also did not potentiate the reflex cholinergic contractions of the trachea produced by bradykinin.’
- ‘What he found was that every bird in a particular species has certain inflexible patterns of behavior, reflex responses to very specific stimuli.’
- ‘The active ingredients in this were alkaloids of belladonna, which we now know had the effect of inhibiting cholinergic neurotransmission and thereby reflex bronchoconstriction.’
- ‘The mechanism by which the body senses and responds to changes in blood pressure by reflex vasodilation or contraction of peripheral vessels is impaired.’
- ‘In the respiratory tract, complex reflex responses to the gastric refluxate occur in children by three mechanisms.’
- ‘Even the tears that fell were automatic, more a reflex action than reflection of any real emotion.’
- ‘In a reflex action the body cuts the supply of blood to the arms and legs preventing swimming, and people then sink and drown.’
- ‘So in some quarters the reflex response to the presidential election of November 2004 has been to emphasise how little has changed.’
- ‘The tongue directs the bolus of chewed food to the pharynx as an initial step in the involuntary reflex swallowing mechanism.’
- ‘A cough is a reflex action to clear the airways of mucus, phlegm, irritants or a foreign body.’
- ‘During the initial inflammatory phase of this process the muscle responds with a reflex spasm which is the tightness or knot you can feel.’
- ‘It is a complex reflex response to the stimulation of the cough receptors of the lung.’
- ‘Hold fast - put one of your fingers in your baby's palm and enjoy his reflex response as he grips it tightly.’
2(of an angle) exceeding 180°.
3archaic (of light) reflected.
- 3.1 Bent or turned backwards.
- 3.2 (of a thought) directed or turned back upon the mind itself; introspective:‘an act of consciousness is a reflex act with its own object, viz. the act of knowledge itself’
- 3.1 Bent or turned backwards.
Early 16th century (as a noun denoting reflection): from Latin reflexus a bending back, from reflectere bend back (see reflect).
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