Fig. 15 in Comparative 3D microanatomy and histology of the eyes and central nervous systems in coleoid cephalopod hatchlings

Fig. 15 Loligo vulgaris hatchling: histology of the head region (transversal sections; Richardson staining; see also interactive supplementary figure 5). a Overview with selected planes B-H (3D reconstruction; left side view). b Brachial crown with arms and tentacles. c Base of brachial crown near mouth opening. d Midline of eyes, radula. e Lobus opticus just behind the eyes, anterior basal lobe. f Central lobus opticus with optic commissure, pedal lobe. g Posterior lobus opticus, statocysts with statoliths. h Palliovisceral lobes just behind the lobus opticus, statocysts. Labels: a 1–4=arms 1–4, abl=anterior basal lobe, aco=anterior chamber organ, doc=dorsal optic commissure, es=esophagus, ey= eye, fu=funnel, ibl=inferior buccal lobe, le=lens, ipl=inner plexiform layer, mcl=magnocellular lobe, noai=inferior anterior oculomotoric nerve, of=olfactory organ, ofl=olfactory lobe, ol=optic lobe (medullar core), opl=outer plexiform layer, pdc=peduncle commissure, pdl= peduncle lobe, pl=pedal lobe, pvl=palliovisceral lobe, ra=radula, re=retina, sl=statolith, st=statocyst, svl=subvertical lobe, t=tentacle, tp=tentacular pocket, voc=ventral optic commissure, vtl=vertical lobe; arrowhead crossing of first-order giant axons