nucleus$53983$ - definizione. Che cos'è nucleus$53983$
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Cosa (chi) è nucleus$53983$ - definizione

NUCLEUS
Nucleus ambiguous; Nucleus ambigus; Ambiguous nucleus

Nucleus ambiguus         
The nucleus ambiguus ("ambiguous nucleus" in English) is a group of large motor neurons, situated deep in the medullary reticular formation named by Jacob Clarke. 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 swallowing.
Subthalamic nucleus         
  • dopaminergic]] pathways that are excitatory on the direct pathway and inhibitory on the indirect pathway.
  • Structural connectivity of the human subthalamic nucleus as visualized through [[diffusion-weighted MRI]].
SMALL LENS-SHAPED NUCLEUS IN THE BRAIN
Subthalamic nucleus of Luys; Corpus subthalamicum; Nucleus of Luys; Nucleus subthalamicus; Subthalamic nuclei; Corpus Luysi
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.
Arcuate nucleus         
REGION OF THE HYPOTHALAMUS
Arcuate nucleus (hypothalamus); Arcuatus hypothalami; Nucleus arcuatus; Infundibular nucleus; Nucleus arcuatus hypothalami; Arcuate nucleus of hypothalamus
The arcuate nucleus of the hypothalamus (also known as ARH, ARC, or infundibular nucleusonderzoekinformatie.nl - Project: Does activation of neurons in the infundibular nucleus in menopause prevent the occurrence of Alzheimer changes?

Wikipedia

Nucleus ambiguus

The nucleus ambiguus ("ambiguous nucleus" in English) is a group of large motor neurons, situated deep in the medullary reticular formation named by Jacob Clarke. 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 swallowing. As well as motor neurons, the nucleus ambiguus contains preganglionic parasympathetic neurons which innervate postganglionic parasympathetic neurons in the heart.

It is a region of histologically disparate cells located just dorsal (posterior) to the inferior olivary nucleus in the lateral portion of the upper (rostral) medulla. It receives upper motor neuron innervation directly via the corticobulbar tract.

This nucleus gives rise to the branchial efferent motor fibers of the vagus nerve (CN X) terminating in the laryngeal, pharyngeal muscles, and musculus uvulae; as well as to the efferent motor fibers of the glossopharyngeal nerve (CN IX) terminating in the stylopharyngeus muscle.