median ventricular nerve (sensu Cancer borealis)

MVN (sensu Cancer borealis)

Most of the efferent fibers leaving the stomatogastric ganglion and leading to the gastric mill or pyloric stomach muscles run posteriorly in the dorsal median ventricular nerve. This nerve branches bilaterally into the right and left lateral ventricular nerves (LVN) which go to their respective sides of the stomach.

Tipo Muscle
Estructura principal functional part of brain
Nombre latino MVN (sensu Cancer borealis)

Preguntas frecuentes

What is the median ventricular nerve (sensu Cancer borealis)?
The median ventricular nerve (sensu Cancer borealis) is a nerve in the stomatogastric nervous system of the crustacean Cancer borealis. It carries most of the efferent fibers leaving the stomatogastric ganglion and is involved in transmitting motor signals to the gastric mill and pyloric stomach muscles. It runs posteriorly before branching into the right and left lateral ventricular nerves.
Where is the median ventricular nerve located?
In Cancer borealis, the median ventricular nerve is located running posteriorly in a dorsal position from the stomatogastric ganglion. It then divides bilaterally into the right and left lateral ventricular nerves, which project to their respective sides of the stomach. This nerve is part of the peripheral nervous innervation of the crustacean foregut.
What is the function of the median ventricular nerve?
The median ventricular nerve is involved in conducting motor commands from the stomatogastric ganglion to the muscles of the gastric mill and pyloric regions of the crustacean stomach. It carries the majority of efferent output from the stomatogastric ganglion and branches to distribute motor signals bilaterally to stomach muscles on both sides.
What conditions may affect the median ventricular nerve?
As this nerve is part of the invertebrate stomatogastric nervous system, it is primarily studied in laboratory and research contexts. Experimental manipulations such as axotomy, pharmacological application of neuromodulators, or temperature changes may be associated with altered activity in the neurons carried by this nerve, influencing gastric and pyloric motor patterns.
How is the median ventricular nerve examined?
The median ventricular nerve in Cancer borealis is examined using electrophysiological techniques, including extracellular nerve recordings with suction electrodes and intracellular recordings from individual neurons. Anatomical methods such as nerve dye fills, immunohistochemistry, and confocal microscopy are also used to characterize its structure and the neurons it contains.

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