nucleus cuneatus - définition. Qu'est-ce que nucleus cuneatus
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Qu'est-ce (qui) est nucleus cuneatus - définition

Lateral cuneate nucleus; Nucleus cuneatus accessorius

Nucleus ambiguus         
NUCLEUS
Nucleus ambiguous; Nucleus ambigus; Ambiguous nucleus
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.
Accessory cuneate nucleus         
The accessory cuneate nucleus is located lateral to the cuneate nucleus in the medulla oblongata at the level of the sensory decussation (the crossing fibers of the posterior column/medial lemniscus tract).
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.

Wikipédia

Accessory cuneate nucleus

The accessory cuneate nucleus is located lateral to the cuneate nucleus in the medulla oblongata at the level of the sensory decussation (the crossing fibers of the posterior column/medial lemniscus tract).

It receives sensory input about position and movement (proprioception) from the upper limb by way of cervical spinal nerves and transmits that information to the cerebellum.

These fibers are called cuneocerebellar (cuneate nucleus → cerebellum) fibers.

In this function, the accessory cuneate nucleus is the upper extremity equivalent of Clarke's column, also called the nucleus thoracicus, which is the source of spinocerebellar connections for proprioception from the lower limb.