arcuate nuclei

ar·cu·ate nu·cle·i

(ahrk'yū-ăt nū'klē-ī)
A variable assembly of small cell groups, probably outlying components of the pontine nuclei, on the ventral and medial aspects of the pyramid in the medulla oblongata.
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One-way ANOVA showed no significant effects of DEHP treatment on the number of GFP-positive cells in the RP3V or the arcuate nuclei (Figure 4D-E).
Neural Mechanisms Underlying the Disruption of Male Courtship Behavior by Adult Exposure to Di(2-ethylhexyl) Phthalate in Mice
For example, low frequency of acupuncture induced analgesia was abolished following lesions of the arcuate nuclei but not high frequency, whereas selective lesions of the parabrachial nuclei attenuated high frequency induced analgesia but not low frequency [43].
The Modulatory Effect of Acupuncture on the Activity of Locus Coeruleus Neuronal Cells: A Review

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