VAGUS (vagi)

Pronunciation (US):

(GB):

Irregular inflected form: vagi   

 Dictionary entry overview: What does vagus mean? 

• VAGUS (noun)
  The noun VAGUS has 1 sense:

1. a mixed nerve that supplies the pharynx and larynx and lungs and heart and esophagus and stomach and most of the abdominal viscera

  Familiarity information: VAGUS used as a noun is very rare.

 Dictionary entry details 

• VAGUS (noun)

Sense 1

Meaning:

A mixed nerve that supplies the pharynx and larynx and lungs and heart and esophagus and stomach and most of the abdominal viscera

Classified under:

Nouns denoting body parts

Synonyms:

nervus vagus; pneumogastric; pneumogastric nerve; tenth cranial nerve; vagus; vagus nerve; wandering nerve

Hypernyms ("vagus" is a kind of...):

cranial nerve (any of the 12 paired nerves that originate in the brain stem)

Derivation:

vagal (of or relating to the vagus nerve)

 Context examples 

The electroacupuncture no longer reduced inflammation when the vagus nerve was cut.

(Electroacupuncture Reduces Sepsis in Mice, NIH)

Surgery to cut the parts of the vagus nerve that cause gastric acid to be made in the stomach.

(Parietal cell vagotomy, NCI Dictionary)

When medicines are not working well, surgery or implanted devices such as vagus nerve stimulators may help.

(Epilepsy, NIH: National Institute of Neurological Disorders and Stroke)

A hole in the right crus of the diaphragm through which the esophagus and vagus nerve pass.

(Esophageal Opening, NCI Thesaurus)

Dolasetron blocks the activity of serotonin released from the enterochromaffin cells of the small intestine by selectively inhibiting and inactivating 5-HT3 receptors located on the nerve terminals of the vagus nerve in the periphery and centrally in the chemoreceptor trigger zone of the area postrema.

(Dolasetron, NCI Thesaurus)

A network of nerves that arises from the superior cardiac branch of the sympathetic trunk and lower superior cervical branch of the vagus which innervates the aortic arch, coronary vessels, pulmonary artery, and the heart.

(Cardiac Nerve Plexus, NCI Thesaurus)

Lerisetron specifically binds to 5-HT3 receptors, located peripherally on vagus nerve terminals and centrally in the chemoreceptor trigger zone (CTZ) of the area postrema, which may result in suppression of chemotherapy-induced nausea and vomiting.

(Lerisetron, NCI Thesaurus)

The lower or ventral portion of the fourth ventricle transversed by the median sulcus with numerous nuclei and structures including the striae acusticae (or medullaris), fovea inferior and fovea superior, clava, obex, area postrema, and the trigonum hypoglossi and trigonum vagi.

(Floor of the Fourth Ventricle, NCI Thesaurus)

Upon application of the transdermal patch to the skin and subsequent release into the bloodstream, granisetron selectively binds to and blocks the 5-HT subtype 3 (5-HT3) receptors located in the vagus nerve terminal and in the vomiting center in the central nervous system (CNS).

(Granisetron Transdermal Patch, NCI Thesaurus)

A very slender, longitudinal column of motor neurons in the ventrolateral medulla oblongata; its efferent fibres leave with the vagus and glossopharyngeal nerve and innervate the striated muscle fibres of the pharynx (including the musculus levator veli palatini) and the vocal cord muscles of the larynx.

(Nucleus Ambiguus, NCI Thesaurus)