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The dorsal nucleus of vagus nerve (or posterior nucleus of vagus nerve or dorsal vagal nucleus or nucleus dorsalis nervi vagi or nucleus posterior nervi vagi) [1] is a cranial nerve nucleus of the vagus nerve (CN X) situated in the medulla oblongata of the brainstem ventral to the floor of the fourth ventricle.
Micrograph of the posterior portion of the open part of the medulla oblongata, showing the fourth ventricle (top of image) and the hypoglossal nucleus (medial - left of image) and the dorsal motor nucleus of the vagus nerve (lateral - right of image). H&E-LFB stain. Hypoglossal nucleus (XII) - motor; Dorsal motor nucleus of vagus nerve (X ...
→ reticulospinal tract → lower motor neuron of the spinal cord. [3] Medial habenular nucleus → fasciculus retroflexus → interpeduncular nucleus of midbrain → midbrain reticular formation → dorsal longitudinal fasciculus → autonomic pre-ganglionic neurons. This pathway is involved in the autonomic regulation of mastication (chewing ...
The gracile nucleus is medial to the cuneate nucleus. [5] Its neurons receive afferent input from dorsal root ganglia sensory neurons of the lower torso and the lower limbs . [ 5 ] The gracile nucleus and gracile fasciculus carry epicritic , kinesthetic , and conscious proprioceptive information from the lower part of the body (below the level ...
Grossman (2023) concurs, stating that "the polyvagal notion that the ventral vagal area is unique to mammals is opposed by years of evidence" and that the "findings, as a whole, firmly and consistently contradict the polyvagal hypotheses that propose the [dorsal vagal motor nucleus] as the “source nucleus” of unmyelinated pathways and the ...
The spinal accessory nucleus lies within the cervical spinal cord (C1-C5) in the posterolateral aspect of the anterior horn. The nucleus ambiguus is classically said to provide the "cranial component" of the accessory nerve .
The NFL moved the Los Angeles Rams’ playoff game against the Minnesota Vikings out of Southern California on Thursday, the biggest of several changes to the sports calendar after days of ...
Dorsal cochlear nucleus, a cortex-like structure on the dorso-lateral surface of the brainstem; Dorsal nucleus of vagus nerve, a cranial nerve nucleus for the vagus nerve; Dorsal raphe nucleus; Lateral dorsal nucleus of thalamus; Medial dorsal nucleus of thalamus; Posterior thoracic nucleus (or dorsal nucleus), is a group of interneurons found ...