词汇 | reflex-arc |
释义 | reflex arc noun[ C ] biology specializeduk /ˈriː.fleks ˌɑːk/ us /ˈriː.fleks ˌɑːrk/ the way nerve signals move to a point in a person's back in order to produce a reflex action(神经)反射弧 The brain & nervous system abducens nerve abducent nerve accessory nerve alexithymia allism glossopharyngeal nerve grey matter hemispheric hemispherical hindbrain neurofibrillary neurogenic neurogenically neuroglia neuroglial reticular formation rhinencephalon rhombencephalon right brain right-brained Examples of reflex arcreflex arc This assumption weakens the position of the reflexarc as the basic functional unit of nervous activities. Combining anatomical and physiological methods, he made pioneering studies on the vestibulo-ocular reflexarc, then worked on the functional anatomy of the spinal cord, brainstem, and cerebellum. The reflexarc concept in psychology. Diminished reflexes are largely due to dysfunction of the afferent limb of the reflexarc. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The tone of respiratory muscle is believed to be modulated by muscle spindles via a reflexarc involving the spinal cord. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It inhibits neuron transmission, relaxing skeletal muscles by inhibiting the reflexarc. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The patellar reflex is a clinical and classic example of the monosynaptic reflexarc. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This isn't true for, say, a spinal reflexarc where the output is also inevitable and automatic. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Because these afferent fibers are also part of a reflexarc, lordosis can be triggered reflexively. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Rather, a given parameter setting, together with external influences and perhaps the operation of reflex arcs, determines what the body does. The absence of this reflex indicates that there is an interruption of the reflexarc, which may be in the sensory afferent limb or the motor efferent limb. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This reflex may also be impaired by damage to the internal branch of the superior laryngeal nerve which relays the afferent branch of the reflexarc. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The formation of interacting reflex arcs cannot be conceived without the genomic determination of "correct" neuronal interconnections, and genetic determination leaves a very narrow margin for selforganisation. Escape reflex arcs have a high survival value, enabling organisms to take rapid action to avoid potential danger. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Reflexes usually are mediated at the level of the spinal cord through reflex arcs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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