本型组织病理改变，主要是表皮角质层有显著角化不全，棘细胞层增厚，表皮突向下延展，深入真皮。

Pathological changes of the organization, mainly the epidermal cuticle significant parakeratosis, acanthosis cell layer thickening, epidermal sudden downward extension of in-depth dermis.

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果皮组织结构观察表明：耐藏性好的品种，角质层厚，表皮细胞密度大，排列整齐；

The observation of tissue structure of pulp showed that the varieties with higher storability have thicker cuticle layer, higher density of epidermis cells which are well arranged.

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发达的贮水结构、输导组织、和角质层等也是植物适应干旱环境的结构适应性变化演化特征。

Developed the storage structure, conducting tissue, and the cuticle so on are also the structure of plant adaptation to arid environments evolution characteristics of adaptive change.

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