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In neuroanatomy, a nucleus (pl.: nuclei) is a cluster of neurons in the central nervous system, [1] located deep within the cerebral hemispheres and brainstem. [2] The neurons in one nucleus usually have roughly similar connections and functions. [ 3 ]
The suprachiasmatic nucleus or nuclei (SCN) is a small region of the brain in the hypothalamus, situated directly above the optic chiasm. It is responsible for regulating sleep cycles in animals. [ 1 ] [ 2 ] Reception of light inputs from photosensitive retinal ganglion cells allow it to coordinate the subordinate cellular clocks of the body ...
Solitary nucleus (Nucleus of the solitary tract) Respiratory center-Respiratory groups. Dorsal respiratory group; Ventral respiratory group or Apneustic centre. Pre-Bötzinger complex; Botzinger complex; Retrotrapezoid nucleus; Nucleus retrofacialis; Nucleus retroambiguus; Nucleus para-ambiguus; Paramedian reticular nucleus; Gigantocellular ...
The solitary nucleus (SN) (nucleus of the solitary tract, nucleus solitarius, or nucleus tractus solitarii) is a series of neurons whose cell bodies form a roughly vertical column of grey matter in the medulla oblongata of the brainstem. Their axons form the bulk of the enclosed solitary tract. The solitary nucleus can be divided into different ...
The subthalamic nucleus (STN) is a small lens-shaped nucleus in the brain where it is, from a functional point of view, part of the basal ganglia system. In terms of anatomy, it is the major part of the subthalamus. As suggested by its name, the subthalamic nucleus is located ventral to the thalamus.
The nucleus ambiguus ("ambiguous nucleus" in English) is a group of large motor neurons, situated deep in the medullary part of the reticular formation named by Jacob Clarke. [1] The nucleus ambiguus contains the cell bodies of neurons that innervate the muscles of the soft palate , pharynx , and larynx which are associated with speech and ...
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Nucleus (neuroanatomy), a cluster of cell bodies of neurons in the central nervous system; Nucleus that forms in the eye in nuclear sclerosis (early cataracts) Nucleus, a scientific journal concerned with the cell nucleus; published by Taylor & Francis; Nucleus, a small colony of honeybees, induced to raise a new queen by the beekeeper