amygdaloid nucleus


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amygdaloid nucleus

n.
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Noun1.amygdaloid nucleus - an almond-shaped neural structure in the anterior part of the temporal lobe of the cerebrum; intimately connected with the hypothalamus and the hippocampus and the cingulate gyrus; as part of the limbic system it plays an important role in motivation and emotional behavior
temporal ccortex, temporal lobe - that part of the cerebral cortex in either hemisphere of the brain lying inside the temples of the head
basal ganglion - any of several masses of subcortical grey matter at the base of each cerebral hemisphere that seem to be involved in the regulation of voluntary movement
limbic brain, limbic system, visceral brain - a system of functionally related neural structures in the brain that are involved in emotional behavior
References in periodicals archive ?
Anatomical interactions between the central amygdaloid nucleus and the hypothalamic paraventricular nucleus of the rat: A dual tract-tracing analysis.
11-13] The central amygdaloid nucleus receives afferents projection from the basolateral complex and has projections to the hypothalamus and brainstem; these connections suggest that it is the final common pathway for the fear responses.
As well as being interrelated to vegetative activity and motor coordination of talking and deglution, it has also been attributed with regulating blood-pressure, controlling visceral pain, thermal regulation and motivational-affective responses to pain due to its connections with the solitary nucleus, raphe magnus, parabrachial area and amygdaloid nucleus (trigeminal-parabrachial-amygdaloid ipsilateral tract) with its usual visceral, nutritional (anorexia), respiratory, thermal and inhibitory descending pain effects (Caous et al.