1) Dorsiventral 2) Ventral 
• (a.) From the dorsal to the ventral side of an animal; as, the dorsoventral axis.
(dor″so-ven´trәl) pertaining to the dorsal and ventral surfaces of a body. directed from the back to the front; posteroanterior.
Dor`so·ven'tral adjective [ dorsum + ventral .] (Anat.) From the dorsal to the ventral side of an animal; as, the dorsoventral axis. 
Literally, back-front; placed with reference to the back or front or to both.
[adj] - extending from the back to the belly
adjective extending from the back to the belly
From top to bottom, i.e. from back to belly.
pertaining to the dorsal and ventral aspects of the body; extending from the dorsal to the ventral side: the dorsoventral axis. · dorsiventral.