Reflex action

Reflex action
Reflex 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. [1913 Webster]

The reflex act of the soul, or the turning of the intellectual eye inward upon its own actions. --Sir M. Hale. [1913 Webster]

2. Produced in reaction, in resistance, or in return. [1913 Webster]

3. (Physiol.) Of, pertaining to, or produced by, stimulus or excitation without the necessary intervention of consciousness. [1913 Webster]

{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}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • reflex action — Synonyms and related words: action and reaction, answer, automatic reaction, automatic writing, automatism, autonomic reaction, blind impulse, bounceback, compulsiveness, conditioning, echo, echolalia, echopraxia, impulse, instinct,… …   Moby Thesaurus

  • reflex action — noun see reflex I …   New Collegiate Dictionary

  • reflex action — a response, often involuntary, resulting from the passage of excitation potential from a receptor to a muscle or gland, over a reflex arc …   Medical dictionary

  • reflex arc — n the complete nervous path that is involved in a reflex * * * the nervous circuit involved in a reflex, being at its simplest a sensory nerve with a receptor, linked at a synapse in the brain or spinal cord with a motor nerve, which supplies a… …   Medical dictionary

  • Reflex — 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. [1913 Webster] The reflex act of the soul, or the turning of the intellectual eye… …   The Collaborative International Dictionary of English

  • Reflex nerve — Reflex 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. [1913 Webster] The reflex act of the soul, or the turning of the… …   The Collaborative International Dictionary of English

  • reflex — [rē′fleks΄; ] for v., also [ ri fleks′] n. [< L reflexus, reflected, pp. of reflectere: see REFLECT] 1. a) reflection, as of light b) light or color resulting from reflection 2. a reflected image, likeness, or reproduction 3 …   English World dictionary

  • Reflex — 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. [1913 Webster] Yon gray is not the morning s eye, Tis but the pale reflex of… …   The Collaborative International Dictionary of English

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