Synonyms for dorsal

Adjective

1. dorsal (vs. ventral)

usage: 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"

2. abaxial (vs. adaxial), dorsal

usage: facing away from the axis of an organ or organism; "the abaxial surface of a leaf is the underside or side facing away from the stem"