ventral
adj.adj. describing the front part of an animal or human body, especially the stomach area. In fish, it refers to the bottom side of the body.
adj. relating to the underside or abdominal side of an organism; situated on or toward the lower surface of the body. Often contrasted with 'dorsal' in anatomical and biological descriptions.
The shark has a white ventral side.
The surgeon made a small incision on the ventral surface of the patient's abdomen to access the internal organs.
In evolutionary biology, the migration of neural structures from a dorsal to a ventral position can signify a major shift in the body plan of a developing species.
From French ventral, from Latin ventrālis, from venter (“belly, abdomen”); by surface analysis, ventr- + -al.
Typically used in technical or scientific contexts; often precedes the noun it modifies.