A reflex arc is a neural pathway that controls a reflex. In vertebrates, most sensory neurons do not pass directly into the brain, but synapse in the...
6 KB (594 words) - 12:01, 19 January 2024
monosynaptic and are mediated by a simple reflex arc. A withdrawal reflex is mediated by a polysynaptic reflex resulting in the stimulation of many motor...
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in organisms with a nervous system. A reflex occurs via neural pathways in the nervous system called reflex arcs. A stimulus initiates a neural signal...
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contraction of the triceps muscle causes extension, and indicates a normal reflex. The arc involves the stretch receptors in the triceps tendon, from where the...
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The pharyngeal reflex is different from the laryngeal spasm, which is a reflex muscular contraction of the vocal cords. In a reflex arc, a series of physiological...
10 KB (1,402 words) - 06:53, 24 January 2024
Biceps reflex is a deep tendon reflex (DTR) test (also known as a muscle-stretch reflex test) that examines the function of the C5 reflex arc and the C6...
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effort or conscious thought. The patellar reflex is a clinical and classic example of the monosynaptic reflex arc. There is no interneuron in the pathway...
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Anal wink (redirect from Anocutaneous reflex)
sacral segments S2-S4. The absence of this reflex indicates that there is an interruption of the reflex arc, or damage to the spinal cord, which may be...
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Solitary nucleus (section Gag reflex arc)
simple autonomic reflexes.[citation needed] The afferent limb of the gag reflex arc is conveyed by sensory afferents of the CN IX which terminate in the SN;...
10 KB (973 words) - 16:15, 13 August 2024
the spinal cord." Although stretch reflex gives just qualitative information about muscle spindles and reflex arc activity, if the purpose of the test...
4 KB (592 words) - 21:07, 11 January 2024