reflexes


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re·flex

 (rē′flĕks′)
adj.
1. Physiology Being an involuntary action or response, such as a sneeze, blink, or hiccup.
2. Produced as an automatic response or reaction: reflex opposition to change.
3. Bent, turned, or thrown back; reflected.
4. Reflexed.
n.
1.
a. Physiology An involuntary response to a stimulus.
b. reflexes A person's ability to respond to new or changing stimuli: His quick reflexes make him a good taxi driver.
2. Psychology An unlearned or instinctive response to a stimulus.
3. Linguistics A form or feature that reflects or represents an earlier, often reconstructed, form or feature having undergone phonetic or other change.
4.
a. Something, such as light or heat, that is reflected.
b. An image produced by reflection.
c. A copy or reproduction.

[From Middle English reflexen, to refract light, bend back, from Latin reflexus, past participle of reflectere, to bend back; see reflect.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

reflexes

Acts that occur involuntarily—such as blinking—are the result of a reflex response.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
References in classic literature ?
I made notes of my patient's pulse and temperature, tested the rigidity of his muscles, and examined his reflexes. There was nothing markedly abnormal in any of these conditions, which harmonized with my former experiences.
My pulse upon examination was ten beats above the usual, and my reflexes were increased.
These agents also maintain the reflexes which are protective for the patient's airway.32,33
Blink reflexes in chronic tension-type headache patients and healthy controls.
Pierrot-Deseilligny, "Sensitivity of monosynaptic test reflexes to facilitation and inhibition as a function of the test reflex size: a study in man and the cat," Experimental Brain Research, vol.
Depending on the mechanism is conditional and unconditional reflexes are (fig.
Hyperactive deep tendon reflexes may be observed, but extensor plantar reflexes are rare (l,2,3,4).
First either in the same segment of the cord or in nearby segments, the sensory nerve or its collaterals terminate in the grey matter of the cord and elicit local segmental responses (local excitatory/facilitatory effects and reflexes).
Such episodes most commonly happen when deglutition reflexes involving closure of the epiglottis and closure of true and false vocal cords and concomitant laryngospasm, during the process of swallowing, do not occur.
On the whole, the recruitment curve consisted of 45 reflexes elicited at different nine electrical stimulation intensities (5 successive recorded H-reflexes in each intensity).
Retinoblastoma is suggested by a whitening of the reflex, white spots in the reflex, an absent red reflex, or asymmetry of the two red reflexes when viewed from various angles.