Fig. 5 in Comparative 3D microanatomy and histology of the eyes and central nervous systems in coleoid cephalopod hatchlings

Fig. 5 Comparative histology of the optic lobes with plexiform layers (transversal sections). a Sepia officinalis (Richardson), b Rossia macrosoma (Azan), c Sepietta obscura (Azan), d surface renderings of the spongious medulla neuropils (violet) surrounded by outer plexiform layers (purpur, cut); in Loligo an additional inner plexiform layer (pink) is visible; in I. notoides the neuropils were not reconstructed due to poor