a. [ Dorsum + ventral. ] 1. (Biol.) Having distinct upper and lower surfaces, as most common leaves. The leaves of the iris are not dorsiventral. [ 1913 Webster ]
2. (Anat.) See Dorsoventral. [ 1913 Webster ]
a. [ dorsum + ventral. ] (Anat.) From the dorsal to the ventral side of an animal; as, the dorsoventral axis. [ 1913 Webster ]