Englishfor English speakers
dorsal
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adjective
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
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adjective
(= abaxial)
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
mesentery
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noun
a double layer of peritoneum that attaches to the back wall of the abdominal cavity and supports the small intestines