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What is the difference between epidermis, epithelium and endodermis?
Epidermis - a single-layered group of cells that covers plants leaves, flowers, roots and stems. It forms a boundary between the plant and the external world. The epidermis serves several functions, it protects against water loss, regulates gas exchange, secretes metabolic compounds, and (especially in roots) absorbs water and mineral salts.
Epithelium - is a tissue composed of cells that line the cavities and surfaces of structures throughout the body.
What’s the difference between epidermis and epithelium?
Epidermis is one type of epithelium. Epithelium is a general name for cells that make up various linings throughout the body.
Endodermis - In a plant stem or root, a cylinder of cells that separates the outer cortex from the central core. The endodermis controls flow of water and minerals within the plant. In most plants, this tissue is restricted to the roots