Meaning : Toward or on or near the belly (front of a primate or lower surface of a lower animal).
Example :
The ventral aspect of the human body.
The liver is somewhat ventral in position.
Ventral (or pelvic) fins correspond to the hind limbs of a quadruped.
Belonging to or on or near the back or upper surface of an animal or organ or part.
The dorsal fin is the vertical fin on the back of a fish and certain marine mammals.Meaning : Nearest to or facing toward the axis of an organ or organism.
Example :
The upper side of a leaf is known as the adaxial surface.
Synonyms : adaxial