a, a alpha lobe of mushroom body (-ies) a anterior a col anterior collar a cr anterior cross a cr-s ar anterior cross-superior arch a d c anterior dorsal commissure a fus anterior fusion a op fo anterior optic foci a op t lo anterior optic tract of lobula a op t me anterior optic tract of medulla a pro i m pr anterior prominence of inferior medial protocerebrum a pro sog anterior prominence of the sub-oesophageal ganglion acc accessory acc b accessory body acc m c accessory median commissure am amacrine cell ( = anax) anax anaxonal neuron ( = am) ant antenno (-al) ant c t antennocommisural tract ant lob antennal lobe ant m sens re antenno(-al)-mechanosensory regions ant n antennal nerve(s) ant op fo mixed input region from antennal nerves and lobula (antennal-optic focus) ar arch ar c vb arched commissures of the ventral body asc (sens) sensory ascending fibres / neurons asc f vnc asc asc p sl ascending fibres into the posterior slope ax axial ax g lo axons of giant lobula neurons ax z axial zone of calyx (calyces) b, b beta lobe(s) of mushroom bodies b body (-ies) bdl bundle br bridge bra branch (-es) bu buttresses bu pb buttresses of protocerebral bridge c commissure c cord (only for v n c) c b f cell body fibre ( = neurite) c b l cell body layer of the lamina c l ho commissure of lateral horns c op fo commissure of optic foci c p op fo commissure of posterior optic foci ca calyx (-ces) of mushroom bodies casc cascade cau caudal cau su oes c caudal sub-oesophageal commissure cbf cell body fibre (= neurite) cen central cen b central body cen co central rind centf centrifugal centp centripetal ch chiasma (lst) ch g c lst (etc.) chiasma of great commissures ch m bdl chiasma of median bundle circ circum- circ g con circum gamma-lobe connectives circ oes fasc circum-oesophageal fascicle co cell body rind cortex (co) la co lamina cortex me co medulla cortex (anterior optic lobe) lo co lobula / lobula plate cortex (posterior optic lobe) l co lateral cortex al co antennal lobe cortex mb co mushroom body cortex (Kenyon cells) d co dorsal cortex (above s pr) a co anterior cortex (in front of the central brain) p co posterior cortex (p sl and the region around the mb co) sog co cortex of the suboesophageal ganglion col collar zone of calyces con connective(s) con asc connectives of ascending neurons from ventral nerve cord contra contralateral cr cross cucc cuccatti bundle ( =serpentine layer) d dorsal d co dorsal rind (dorsal cortex) d fu dorsal furrow d fus dorsal fusion d h t dorsal horizontal tract d m dorso-median d m fasc dorsal-median fascicle desc descending desc contra contralateral descending fibres desc pr descending fibres from posterior protocerebrum desc sog descending fibres from sub-oesophageal ganglion desc-asc mixed descending and ascending fibres of the ventral nerve cord deut deuterocerebrum div divide (division) e ellipsoid e con ellipsoid connective e no t ellipsoid nodular tract eb ellipsoid body epi epithelial cells of lamina epl external plexiform layer of lamina eq equatorial eq h fasc equatorial horizontal fascicle eq h t equatorial horizontal tract f axon(s) / fibre(s) f t s ar frontal tract of superior arch fasc fascicle fasc vb fascicle of the ventral body (-ies) fb fan-shaped body fb isth t fan-shaped body isthmus tract fi fissure fla flange fo focus (-i) for foramen fr frontal fr m c frontal-median commisure fu furrow fus fusion g, g gamma-lobes of mushroom bodies g great or giant or ganglion g c great commissure g f giant fibre(s) g f lo p giant fibres of lobula plate g f m bdl giant fibres of median bundle g n giant neuron gl glomerular gr groove h horizontal h f horizontal strip-field fibres h g f lo p horizontal giant fibres of lobula plate h t horizontal tract het heterolateral het r ant gl heterolateral roots of antenno-glomerulai tract ho horn (s) i inferior i act inner antenno comissural tract i br inferior bridge i br-fb t inferior bridge-fan-shaped body tract i in ant con inferior inter-antennal connective i l e t inferior lateral ellipsoid tract i l pr inferior lateral protocerebrum i r m bdl inferior root of median bundle i v isth con inferior-ventral isthmus connective i vb con inferior ventral body connective in inter- in ant con inter antennal connective in ant m sens fasc inter antenno-mechanosensory fascicle in gl inter glomerular tract in isth inter isthmus connective in lop op fo in tu t inter tubercle tract in vb con inter ventral body connective inf con p sl inferior connectives of posterior slope intr intracerebral ip ipsilateral isth isthmus l lateral l d h t lateral dorsal horizontal tract l e t lateral ellipsoid tract l e t (i) inferior division of l e t l e t (s) superior division of l e t l fasc lateral fascicle l fasc i br lateral fascicle of inferior bridge l fu lateral furrow l ho lateral horn l ho m pr t lateral horn-medial protocerebrum tract l intr casc lateral intracerebral cascade l m fasc lateral medial fascicle l m pr inferior medial protocerebrum l och first optic chiasma l pt lateral protuberance la lamina la tan n (I) type I lamina tangential neuron labl labellar labr labro labr fr n labro-frontal nerve lip lip zone (of calyces) lo lobula lo op b lobula "optic nerves" lob lobe(s) lop lobula plate lop op fo lobula plate optic foci lop op n lobula plate optic nerves lop-pb f lobula plate-protocerebral bridge fibre(s) lw lower lw str lower strand (of posterior optic tract) m medial (-ian) m bdl median bundle m fasc medial fascicle m fus median fusion m intr casc medial intracerebral cascade m pr medial protocerebrum m sens mechanosensory m t s ar medial tract of superior arch ma major ma su oes con major sub-oesophageal connective max maxillary max lab1 n maxillary-labellar nerve mb mushroom body me medulla mi minor mi circ oes con minor circum-oesophageal connective n nerve(s) or neuron no nodular, noduli no noduli o oblique, outer o e t oblique ellipsoid tract o s fasc oblique superior fascicle o t s ar outer tract of superior arch oc ocular l och first optic chiasma 2 och second optic chiasma och optic chiasma ocl ocellar ocl n ocellar nerve(s) oes oesophagus (-eal) oes for oesophageal foramen op optic op fo optic focus (-i) op fo g n giant neurons of optic foci op lob optic lobe op n optic nerves op ped optic peduncle op tu optic tubercle op tu oc ocular zone of optic tubercle op tu or oral zone of optic tubercle or oral p posterior p c desc posterior commissure of descending fibres p c v bo posterior commissure of ventral bodies p ch desc posterior chiasma of descending fibres p col posterior collar p div m bdl posterior division of the median bundle p fasc op fo posterior fascicle of the optic foci p l fasc posterior lateral fascicle p l t s ar posterior lateral tract of the superior arch p m fasc posterior division of the median(e) fascicle p op t posterior optic tract p op tu posterior optic tubercle p pr: lop op fo lobula plate-derived optic foci in p pr p pr: op fo optic foci of the posterior protocerebrum p sl posterior slope p su oes c posterior sub-oesophageal commissure p t s ar posterior tract of the superior arch p t v bo posterior tract of the ventral bodies p t v fasc posterior tract of ventral fascicle p-v postero-ventral p-v fasc postero-vertical fascicle p-v a op t(1-4) postero-ventral branches of anterior optic tract (divisions 1-4) par parallel pars in pars intercerebralis pb protocerebral bridge pb l pt t protocerebral bridge- lateral protuberance tract pb-fb protocerebral bridge-fan shaped body projections ped peduncle / pedunculus ped div peduncular divide pr protocerebrum pr br protocerebral bridge pr gl protocerebral glomerular tract pr pb t protocerebral bridge-protocerebral tract pro prominence pt protuberance pyr pyriform pyr fasc pyriform fascicle r roots r ant-gl roots of antenno-glomerular tract r d m fasc roots of dorso-median fascicle r m bdl roots of the median bundle r p v fasc roots of the postero-ventral fascicle r s pr c roots of the superior (superficial) protocerebral commissure re regions ret retina s superior, supra s a op t superior anterior optic tract s ar superior arch s ar c superior arch commissure s ch g c superior chiasma of great commissures s con p sl superior connectives of posterior slope s l fasc superior lateral fascicle s l pr superior lateral protocerebrum s m pr superior medial protocerebrum s oes supra-oesophageal s oes br supra-oesophageal bridge s pr superior protocerebrum s pr c superior (superficial) protocerebral commissure sl slope sog sub-oesophageal ganglion sog stri striate neuropil of the sub-oesophageal ganglion str strand stri striate neuropil su sub- su e sub-ellipsoid su e c (ct) sub-ellipsoid commissure (connective) su oes sub-oesophageal su oes c sub-oesophageal commissure su oes g sub-oesophageal ganglion su oes v-l fasc sub-oesophageal ventro-lateral fascicle t tract t l ho lo tract between lateral horn and lobula t p col tract of posterior collar tan tangential tan n tangential neuron tu tubercle tu pr t tubercle protocerebral tract v ventral v b ventral body v fi ventral fissure v g f lo p vertical giant fibres of the lobula plate v gr ventral groove v n c ventral nerve cord v t s ar vertical tract of the superior arch v-1 pr (a pro) anterior prominence of the ventro-lateral protocerebrum v-l ventro-lateral v-l pr ventro-lateral protocerebrum ve vertical ve div su e c vertical division of the sub-ellipsoid commissure wf wide-field wf g f lo lop wide-field giant fibres of the lobula complex z zone (zonations)