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Dermal tissue


dermal tissue system
The protective covering of plants; generally a single layer of tightly packed epidermal cells covering young plant organs formed by primary growth.
dermis ...
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dermal tissue: the tissue that functions to protect the plant from injury and water loss and covers the outside of the plant.
diffusion: the movement of molecules through a membrane from a region of high concentration to low concentration.
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The epidermal tissue includes several differentiated cell types: epidermal cells, guard cells, subsidiary cells, and epidermal hairs (trichomes). The epidermal cells are the most numerous, largest, and least specialized.
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The epidermal tissue functions in prevention of water loss and acts as a barrier to fungi and other invaders. Thus, epidermal cells are closely packed, with little intercellular space.
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epidermis
(1) the dermal tissue system in plants. (2) the outer covering of animals.
Covered in:
Lab 9 Seed Plant Sporophyte
Lab 12 Animal Diversity II ...
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ground meristem The basic or fundamental tissue of the apical meristem; dermal tissues surround the ground meristem, and the provascular strands are embedded in it.
ground parenchyma The basic ground tissue consisting of living parenchymal cells.
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