mesocarp
plant anatomy
Quick Summary
The mesocarp is the middle layer of a fruit's pericarp, which is the fruit wall. This layer is typically the fleshy, edible part of the fruit, such as the pulp in grapes. The pericarp itself is divided into three regions: the inner endocarp, the middle mesocarp, and the outer exocarp (or skin). In some fruits, like citrus, the mesocarp can also include the spongy white layer beneath the rind. Parenchyma cells, which are part of the ground tissue system in plants, form the pulp of fruits.1234
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