receives input from antennal lobe glomerulus VP adult hygrosensory neuron Ir40a VP4 chamber I adult hygrosensory neuron Ir40a VP4 chamber II adult hygrosensory antennal lobe glomerulus antennal lobe glomerulus VP4 2014-04-22T19:47:36Z antennal glomerulus VP4 Discernible with Golgi impregnation, but not with nc82/bruchtpilot immunolabelling, according to Tanaka et al. (2012) this glomerulus corresponds to part of the innervation region of IR40a ORNs, identified as the 'arm' by Silbering et al. (2011). Although VP1 and VP4 glomeruli are innervated by IR40a neurons, these correspond to different subsets and are therefore considered different glomeruli (Tanaka et al., 2012). dry-air glomerulus fly_anatomy.ontology VFB:FBbt_00110865 FBbt:00110865 Ventro-posterior glomerulus of the adult antennal lobe. It lies dorsoposterior to glomerulus VP3, ventral to DP1. arm glomerulus dry glomerulus