part of innervated by capable of part of antennal mechanosensory and motor center adult sensory region of subesophageal zone main trunk of antennal mechanosensory and motor center antennal mechanosensory and motor center zone B 2009-11-23T04:02:36Z zone B VFB:FBbt_00100016 AMMC zone B fly_anatomy.ontology FBbt:00100016 Antennal mechanosensory and motor center zone B is a synapse rich sub-region of the antennal mechanosensory and motor center (AMMC) formed from the first bifurcation of the AMMC main trunk. It is rich in presynaptic sites of Johnston's organ neurons (JONs). JON bundle B Johnston organ neuron bundle B Presence of presynaptic sites determined by immunoreactivity to syntaxin and synaptobrevin::GFP localization (Kamikouchi et al., 2006). sensory perception of sound