arc reflex

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• arc — ARC, arcuri, şi (2) arce, s.n. 1. Armă (primitivă) de aruncat săgeţi, alcătuită dintr o vargă flexibilă uşor încovoiată şi o coardă prinsă de extremităţile vergii. ♦ p.anal. Ceea ce are forma unui arc (1). Arcul sprâncenei. 2. Porţiune dintr o… …   Dicționar Român

• 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 arc — n. Physiol. the entire nerve path involved in a reflex action …   English World dictionary

• Reflex arc — A reflex arc is a neural pathway that controls an action reflex. In higher animals, most sensory neurons do not pass directly into the brain, but synapse in the spinal cord. This characteristic allows reflex actions to occur relatively quickly by …   Wikipedia

• Reflex — A reaction that is involuntary. The corneal reflex is the blink that occurs with irritation of the eye. The nasal reflex is a sneeze. * * * 1. An involuntary reaction in response to a stimulus applied to the periphery and transmitted to the… …   Medical dictionary

• reflex — reflexly, adv. reflexness, n. adj., n. /ree fleks/; v. /ri fleks /, adj. 1. Physiol. noting or pertaining to an involuntary response to a stimulus, the nerve impulse from a receptor being transmitted inward to a nerve center that in turn… …   Universalium

• Reflex — For other uses, see Reflex (disambiguation). A reflex action, also known as a reflex, is an involuntary and nearly instantaneous movement in response to a stimulus.[1] A true reflex is a behavior which is mediated via the reflex arc; this does… …   Wikipedia

• Reflex hammer — A reflex hammer is a medical instrument used by physicians to test deep tendon reflexes. Testing for reflexes is an important part of the neurological physical examination in order to detect abnormalities in the central or peripheral nervous… …   Wikipedia

• reflex arc — 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 muscle or gland. In a simple reflex (such as the patellar… …   The new mediacal dictionary

• reflex — adj. & n. adj. 1 (of an action) independent of the will, as an automatic response to the stimulation of a nerve (e.g. a sneeze). 2 (of an angle) exceeding 180°. 3 bent backwards. 4 (of light) reflected. 5 (of a thought etc.) introspective;… …   Useful english dictionary

• arc — 1. A curved line or segment of a circle. 2. Continuous luminous passage of an electric current in a gas or vacuum between two or more separated carbon or other electrodes. [L. arcus, a bow] auricular a., binauricular a. a line carried over the …   Medical dictionary