part of part of neurocranium cartilage element of chondrocranium lamina orbitonasalis AAO:0000262 laminas orbitonasalis In the larva, structure that is fused to the wall of the braincase, lateral to the olfactory foramen, and separates the nasal capsule and orbit. In the adult frog it constitutes the ventral part of postnasal wall.[AAO] ZFA:0001503 UBERON:0006604 Cranial cartilage which is bilaterally paired and develops as a dorsal plate-like projection of the anterolateral ethmoid plate, which are oriented perpendicular to the ethmoid plate. It fuses dorsally to the taenia marginalis anterior, and it joins the ethmoid cartilage medially. TAO:0001503