"ventral_to"^^ . . . "ventral_to"^^ . . . "x ventral_to y iff x is further along the dorso-ventral axis than y, towards the front. A dorso-ventral axis is an axis that bisects an organism from back (e.g. spinal column) to front (e.g. belly)."^^ . "uberon"^^ . . . . "ventral_to"^^ . "BSPO:0000102"^^ .