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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
SMART Vocabulary: related words and phrases

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 arc


reflex 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.
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The tone of respiratory muscle is believed to be modulated by muscle spindles via a reflexarc involving the spinal cord.
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It inhibits neuron transmission, relaxing skeletal muscles by inhibiting the reflexarc.
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The patellar reflex is a clinical and classic example of the monosynaptic reflexarc.
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This isn't true for, say, a spinal reflexarc where the output is also inevitable and automatic.
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Because these afferent fibers are also part of a reflexarc, lordosis can be triggered reflexively.
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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.
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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.
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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.
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Reflexes usually are mediated at the level of the spinal cord through reflex arcs.
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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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