Meaning of REFLEX
| Pronunciation: | | ri'fleks
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 WordNet Dictionary |
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| | Definition: | | [n] an automatic instinctive unlearned reaction to a stimulus |
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| | Synonyms: | | inborn reflex, innate reflex, instinctive reflex, physiological reaction, unconditioned reflex |
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| | See Also: | | accommodation reflex, Babinski, Babinski reflex, Babinski sign, belch, belching, blink, blinking, blush, breaking wind, burp, burping, defecation reflex, disgorgement, electric shock, electrical shock, emesis, eructation, eye blink, fart, farting, flatus, flush, gag reflex, goose bump, goose pimple, goose skin, gooseflesh, gulp, gulping, hiccough, hiccup, horripilation, jump, knee jerk, knee-jerk reflex, light reflex, micturition reflex, miosis, mydriasis, myosis, myotactic reflex, nictation, nictitation, oscitance, oscitancy, patellar reflex, pharyngeal reflex, pilomotor reflex, plantar reflex, puking, pupillary reflex, reaction, rectal reflex, regurgitation, response, rooting reflex, shake, shiver, shock, singultus, sneeze, sneezing, start, startle, sternutation, stretch reflex, suckling reflex, tremble, vomit, vomiting, wind, wink, winking, yawn, yawning | |
| Products Dictionary |
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| | Definition: | |  Reflex
Description not available. more details ... |
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| Webster's 1913 Dictionary |
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\Re"flex\ (r?"fl?ks), a. [L. reflexus, p. p. of
reflectere: cf. F. r['e]flexe. See {Reflect}.]
1. Directed back; attended by reflection; retroactive;
introspective.
The reflex act of the soul, or the turning of the
intellectual eye inward upon its own actions. --Sir
M. Hale.
2. Produced in reaction, in resistance, or in return.
3. (Physiol.) Of, pertaining to, or produced by, stimulus or
excitation without the necessary intervention of
consciousness.
{Reflex action} (Physiol.), any action performed
involuntarily in consequence of an impulse or impression
transmitted along afferent nerves to a nerve center, from
which it is reflected to an efferent nerve, and so calls
into action certain muscles, organs, or cells.
{Reflex nerve} (Physiol.), an excito-motory nerve. See
{Exito-motory}.
\Re"flex\ (r?"fl?ks; formerly r?*fl?ks"), n. [L. reflexus
a bending back. See {Reflect}.]
1. Reflection; the light reflected from an illuminated
surface to one in shade.
Yon gray is not the morning's eye, 'Tis but the pale
reflex of Cynthia's brow. --Shak.
On the depths of death there swims The reflex of a
human face. --Tennyson.
2. (Physiol.) An involuntary movement produced by reflex
action.
{Patellar reflex}. See {Knee jerk}, under {Knee}.
\Re*flex"\ (r?*fl?ks"), v. t. [L. reflexus, p. p. of
reflectere. See {Reflect}.]
1. To reflect. [Obs.] --Shak.
2. To bend back; to turn back. --J. Gregory.
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| Medical Dictionary |
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- An involuntary response to a stimulus.
- Deep tendon reflux is the contraction of a muscle in response to tapping the tendon or guider with a reflex hammer; it requires intact sensory nerve supply to transmit the stretching of receptors in the muscle, and intact motor nerve supply for the muscle to contract.
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