Explanation:

Structure of mango:
(i) Epicarp: The outer skin of mango is thin and leathery. It looks green when this fruit is young. As it grows ripe theskin becomes yellow or orange in colour. This skin is called epicarp.
(ii) Mesocarp: Under the outer skin there is a thick pulpy layer. This is the edible portion of mango. This layer isknown as mesocarp.
(iii) Endocarp: Below this pulpy mesocarp layer there is a woody hard layer, called endocarp. This layer remains justover the seed. It develops numerous hairy outgrowths, which have access into the mesocarp.