The bottom surface of a starfish (sea star) is referred to as the oral or actinal surface. The top side is referred to as the aboral or abactinal side.
the ventral surface of a starfish is called oral You Jerk.
The lower surface of a starfish is technically called the ventral side. This is where both the mouth and stomach is located on the starfish.
The bottom surface of a starfish (sea star) is referred to as the oral or actinal surface. The top side is referred to as the aboral or abactinal side.
The dorsal surface of a starfish refers to the top surface of its body, which is typically covered with spines or other protective structures. It is opposite to the ventral surface, which is the underside of the starfish that may have tube feet used for locomotion.
The Ambulacral Groove
The upper surface of the starfish is called the aboral. The lower surface is called the oral.
Caudal Surface
Belly
Abdoral
radula Aboral.
the pedicellaria
aboral or dorsal