receives input from embryonic/larval antennal lobe glomerulus larval antennal lobe glomerulus 33a 2011-03-04T03:03:07Z 33a VFB:FBbt_00100404 fly_anatomy.ontology FBbt:00100404 Glomerulus 33a is located in the larval antennal lobe (LAL), dorsolaterally to glomerulus 59a, dorsal to glomerulus 49a, and anteromedial to glomerulus 63a. It is innervated by an axon from the larval olfactory receptor neuron Or33a (Masuda-Nakagawa et al., 2009). larval olfactory receptor neuron Or33a