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The endocarp is the innermost layer of a fruit's pericarp, which is the fruit wall. This layer surrounds and protects the seed and can vary in texture and consistency. Examples of endocarps include the core of a peach, the stone of a cherry, or the pit of an olive. The pericarp itself is divided into three regions: the exocarp (outer skin), the mesocarp (middle, often fleshy layer), and the endocarp (inner layer). The structure of the endocarp is diverse, contributing to the unique characteristics of different fruits.123

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