Thesuboesophageal ganglion(acronym: SOG; synonym:subesophageal ganglion) of arthropods and in particular insects is part of thearthropod central nervous system(CNS). As indicated by its name, it is locatedbelow theoesophagus,inside the head. As part of the ventral nerve cord, it is connected (via pairs of connections) to the brain (orsupraoesophageal ganglion) and to the firstthoracic ganglion(or protothoracic ganglion). Its nerves innervate the sensory organs and muscles of themouthpartsand thesalivary glands.Neurons in the suboesophageal ganglion control movement of the head and neck as well.[1]
It is composed of three pairs of fusedganglia,each of which is associated with a pair of mouthparts. Therefore, the fused parts are called themandibular,maxillaryandlabialganglia.
References
edit- ^Altman, J. S.; Kien, J. (1979)."Suboesophageal Neurons Involved in Head Movements and Feeding in Locusts".Proceedings of the Royal Society of London. Series B, Biological Sciences.205:209–227.doi:10.1098/rspb.1979.0061.Retrieved26 August2020.
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