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. Author manuscript; available in PMC: 2016 Jul 1.
Published in final edited form as: Biochim Biophys Acta. 2014 Nov 4;1854(7):798–811. doi: 10.1016/j.bbapap.2014.10.023

Figure 1.

Figure 1

Schematic drawing of the stomatogastric nervous system (STNS) of Jonah crab, Cancer borealis. The SGs (sinus glands: located in the eyestalks of the crab) and the POs (pericardial organs: located in the chamber surrounding the heart) release hormones into hemolymph. The brain is connected to the STNS via a tiny nerve called the inferior ventricular nerve (ivn), and the STNS consists of the stomatogastric ganglion (STG), oesophageal ganglion (OG), paired commissural ganglia (CoGs), which connected by motor nerves.