Figure 1
Comparison of primary organismal axes designated in a diversity of species and their representation in BSPO. In fishes (A) and in humans (B), ‘anterior-posterior axis’ (narrow synonym ‘rostral-caudal axis’ in humans) is shown in red, ‘dorsal-ventral axis’ (narrow synonym ‘anterior-posterior axis’ in humans) shown in blue, and ‘left-right axis’ shown in yellow. A cnidarian (sea anemone) (C) is bilaterally symmetrical and has an ‘oral-aboral axis’, shown in orange.