LYCOS RETRIEVER 
Fruits: Apples
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Pears and quince ... produce fruits called pomes. There have essentially the same structure as apples, except they contain numerous stone cells in their tissue. Stone cells (sclereids) are isodiametric cells (with equal diameters) and with very thick, sclerified cell walls. They appear like square cells with rounded off corners under high magnification (400 X). Stone cells are responsible for the gritty texture of pears and quince. Quince fruits have even more stone cells than pears and are used mostly for preserves and jellies.
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This may be at odds with everyday usage of the word "fruit." Botanically, pineapples, oranges, and apples are fruits, but so too are "vegetables" like tomatoes and cucumbers. The pods that contain peas and beans are fruits, as are the dry, inedible structures that bear the seeds of many wild plants.
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Thailand is home to a large variety of delicious fruits, both seasonal, such as durian, rambutan, mangosteen, longan, lychee etc. and all-year-round, such as papaya, guava, coconut, orange, banana, pineapple, rose apple etc., all of which are as nutritious as they are delicious.
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Apples