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| ==Origin== | | ==Origin== |
| [[Latin]] reflexus, past participle of reflectere to [[reflect]] | | [[Latin]] reflexus, past participle of reflectere to [[reflect]] |
− | *[http://en.wikipedia.org/wiki/16th_century 16th Century] | + | *[https://en.wikipedia.org/wiki/16th_century 16th Century] |
| ==Definitions== | | ==Definitions== |
| *1a archaic : reflected heat, light, or color | | *1a archaic : reflected heat, light, or color |
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| :c plural : the [[power]] of acting or responding with adequate [[speed]] | | :c plural : the [[power]] of acting or responding with adequate [[speed]] |
| :d : a way of [[thinking]] or behaving | | :d : a way of [[thinking]] or behaving |
− | *3: a [[linguistic]] element (as a [[word]] or [[sound]]) or system (as [[writing]]) that is derived from a prior and especially an older element or [[system]] <boat is the reflex of [http://nordan.daynal.org/wiki/index.php?title=English#ca._600-1100.09THE_OLD_ENGLISH.2C_OR_ANGLO-SAXON_PERIOD Old English] bāt> | + | *3: a [[linguistic]] element (as a [[word]] or [[sound]]) or system (as [[writing]]) that is derived from a prior and especially an older element or [[system]] <boat is the reflex of [https://nordan.daynal.org/wiki/index.php?title=English#ca._600-1100.09THE_OLD_ENGLISH.2C_OR_ANGLO-SAXON_PERIOD Old English] bāt> |
| ==Description== | | ==Description== |
| A '''reflex''' [[action]], also known as a reflex, is an involuntary and nearly [[instantaneous]] movement in [[response]] to a [[stimulus]]. In most [[contexts]], in particular those involving [[humans]], reflex [[actions]] are mediated via the reflex arc; this is not always true in other [[animals]], nor does it apply to casual uses of the term 'reflex'. | | A '''reflex''' [[action]], also known as a reflex, is an involuntary and nearly [[instantaneous]] movement in [[response]] to a [[stimulus]]. In most [[contexts]], in particular those involving [[humans]], reflex [[actions]] are mediated via the reflex arc; this is not always true in other [[animals]], nor does it apply to casual uses of the term 'reflex'. |
| *'''Reaction time''' | | *'''Reaction time''' |
− | For a reflex, [http://en.wikipedia.org/wiki/Reaction_time reaction time] or latency is the time from the onset of a [[stimulus]] until the [[organism]] responds. | + | For a reflex, [https://en.wikipedia.org/wiki/Reaction_time reaction time] or latency is the time from the onset of a [[stimulus]] until the [[organism]] responds. |
− | In animals, reaction time to visual stimuli is typically 150 to 300 milliseconds.[http://en.wikipedia.org/wiki/Reflex] | + | In animals, reaction time to visual stimuli is typically 150 to 300 milliseconds.[https://en.wikipedia.org/wiki/Reflex] |
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| [[Category: Biology]] | | [[Category: Biology]] |