title: On the structure and synaptic organization of the first optic ganglion in the fly.
mesh_terms: D000818:Animals; D005123:Eye / Q000294:innervation; D005260:Female; D006793:Houseflies / Q000033:anatomy & histology*; D009900:Optic Nerve / Q000166:cytology*; D013569:Synapses / Q000166:cytology