Caption: Apple fruit section - skin to parenchyma cells (Malus domestica). An apple is a pomaceous fruit produced by a tree of the species Malus domestica in the family Rosaceae. Shown here is a section through the apple from skin, through a layer of compact epidermal cells, to the first layer of the interior cortex parenchyma (storage) cells. Dense epidermal tissue is developed in external layers; its cells have thick walls and the outer surface is covered with waxy cuticle. Compared to many other fruits and vegetables, apples contain relatively low amounts of vitamin C, as well as a several other antioxidant compounds. The fiber content, while less than in most other fruits, helps regulate bowel movements and may thus reduce the risk of colon cancer. They may also help with heart disease, weight loss and controlling cholesterol, as they do not have any cholesterol, have fiber, which reduces cholesterol by preventing reabsorption, and are bulky for their caloric content like most fruits and vegetables.
Magnification*: x120
Type: SEM
Copyright 2008 Dennis Kunkel Microscopy, Inc.
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