part of develops from embryonic/larval stomatogastric nervous system embryonic/larval hypocerebral ganglion FBbt:00002632 esophageal ganglion 2 Small ganglion of the embryonic or larval stomatogastric nervous system. At embryonic stage 17, it is located on the left hand side of the embryo, between the two brain hemispheres and behind the supraesophageal commissure. It is more compact than the paraesophageal ganglion and occupies a more dorsal position. It contains approximately 10-12 neurons. VFB:FBbt_00002632 fly_anatomy.ontology HCG larval hypocerebral ganglion embryonic hypocerebral ganglion hypocerebral ganglion anterior ectoderm derivative