| 词汇 | afferent |
| 释义 | afferent adjective medical specializeduk /ˈæf.ər.ənt/ us /ˈæf.ɚ.ənt/ (especially of a nerve) carrying something towards the centre of a body part （尤指神经）传入的 A complex system of intermediate neurons, found mostly in the brain, join the afferent with the efferent pathways. He believes that every instinctive process consists of an afferent part or message, a central part, and an efferent part or discharge. In some cases ligation of the afferent vessels has been successful. The respiratory center is also connected by afferent nerves with the mucous membrane of the air passages. There are two sets of nerve-fibers, those which transmit sensory impulses, called afferent or sensory nerves, and those which transmit motor impulses, called efferent or motor nerves. Examples of afferentafferent In contrast, peripheral afferents constitute only 15% of total synapses. The peripheral target of these afferents is unknown, thus, their potential role in visceral pain is obscure. These might be strictly visceroresponsive or might be supplied by mechanically insensitive afferent fibers. They can filter the visual input and improve its quality by changing the sensitivity of the afferent pathways to some aspects of the stimulation. These remain poised to restore a necessary conative push as soon as afferent information has been matched intelligently against repertoires of stored plans and values. However, the important influences of afferent inputs from the periphery on the brain were neglected. The primary afferent projections of vestibular end organs are distributed to several ipsilateral vestibular nuclei. These circuits provide means to alter or adjust behavior via afferent and efferent connections within the prefrontal cortex. The principal input to these circuits are thalamic afferents that synapse on excitatory cells with spiny dendrites. These data strongly support the hypothesis that separable luminance and chromatic afferent channels both participate in the discrimination. The presumed mechanism is decreased afferent impulses to the brain, which reduces arousal and, thereby, reduces sedative requirements. This mechanism also appears to capitalize on the synchronization that is present among parallel retinal afferents to a geniculate cell. Necessity for afferent activity to maintain eyespecific segregation in ferret lateral geniculate nucleus. They result from anatomical connection weights, afferent stimuli, and recurrent activities that reflect attentional selection, memory, and thinking. These depend on, among other things, explicit efferent and afferent transmissions with respect to an emulator process. See all examples of afferent 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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