The mesocarp is composed of fibers called coir which have many traditional and commercial uses.
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The mesocarp consists of a large amount of starch granules.
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The exocarp and mesocarp make up the husk of the coconut.
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The epicarp is smooth and the mesocarp is fibrous.
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More examples
The middle layer of a pericarp
Fruit anatomy is the internal structure of fruit, the mature ovary or ovaries from one or more flowers. In fleshy fruits, the outer and often edible layer is the pericarp, which is the tissue that develops from the ovary wall of the flower and surrounds the seeds. ...