endosperm

As nouns the difference between mesocarp and endosperm

is that mesocarp is (botany) the middle layer of the pericarp of a fruit in many fruits such as drupes and tomatoes, the mesocarp is fleshy while endosperm is (biology) tissue surrounding the embryo of flowering plant seeds, that provides nutrition to the developing embryo; usually triploid.

As nouns the difference between endosperm and wheatberry

is that endosperm is (biology) tissue surrounding the embryo of flowering plant seeds, that provides nutrition to the developing embryo; usually triploid while wheatberry is the entire wheat kernel (except for the hull), comprising the bran, germ, and endosperm, sometimes used in food.