superior esophageal nerve (sensu Cancer borealis)

SON (sensu Cancer borealis)

The superior esophageal nerve (SON) is one of the four nerves that make up the stomatogastric nerve (SGN).

Type Nerve
Structure parente functional part of brain
Nom latin SON (sensu Cancer borealis)

Questions fréquentes

What is the superior esophageal nerve (sensu Cancer borealis)?
The superior esophageal nerve (SON) in Cancer borealis is one of the four nerves that together form the stomatogastric nerve (SGN). It is part of the stomatogastric nervous system and is involved in transmitting signals between the commissural ganglia and the stomatogastric ganglion, as well as contributing to the innervation of the upper foregut.
Where is the superior esophageal nerve located?
In Cancer borealis, the superior esophageal nerve runs along the upper portion of the esophagus. It is one of the nerves that converges to form the stomatogastric nerve as it courses toward the stomatogastric ganglion, which lies on the dorsal surface of the foregut.
What is the function of the superior esophageal nerve?
The superior esophageal nerve is involved in conducting signals as part of the stomatogastric nervous system. It contributes to the communication pathway between the commissural ganglia and the stomatogastric ganglion, participating in the relay of modulatory and motor commands that regulate gastric and pyloric motor patterns.
What conditions may affect the superior esophageal nerve?
In experimental neuroscience, transection of the superior esophageal nerve or the stomatogastric nerve as a whole is associated with isolation of the stomatogastric ganglion from descending modulatory input. This de-afferentation may be involved in the transition of central pattern generator circuits to stereotyped or simplified activity patterns, which is used experimentally to study circuit dynamics.
How is the superior esophageal nerve examined?
The superior esophageal nerve is examined using extracellular suction electrode recordings and intracellular recordings from stomatogastric nervous system preparations. Anatomical methods including axonal dye fills and immunohistochemistry allow characterization of which axons run within this nerve. Selective cutting of this nerve in experimental preparations allows researchers to study its modulatory contribution to stomatogastric circuits.

Structures associées

mucus body coating mucous body coating mucus cocoon mucous cocoon Mullerian duct ductus paramesonephricus multi cell part structure cell part cluster multicellular anatomical structure multicellular structure multilaminar epithelium laminated epithelium multi-tissue structure multi-tissue structures multi-unit eye

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Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.