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A protective layer called the cuticle covers surface of the epidermal cells (Figure \(\PageIndex{3}\)). The cuticle is rich in lignin (which lends some rigidity) and waxes (which function in waterproofing).
May 9, 2023 · The table below describes the different structures in a leaf and their functions. Leaf Structures Table. Diagram showing the cross-section of a leaf. The specialised cells in leaves have adaptive features which allow them to carry out a particular function in the plant.
Apr 11, 2024 · These cells form the protective outer layer of the leaf, providing a shield against environmental factors and preventing excessive water loss. Mesophyll Layer: Sandwiched between the upper and lower epidermis lies the mesophyll layer.
Oct 31, 2023 · The epidermis is usually one cell layer thick. However, in plants that grow in very hot or very cold conditions, the epidermis may be several layers thick to protect against excessive water loss from transpiration. A waxy layer known as the cuticle covers the leaves of all plant species.
Feb 17, 2023 · The different layers of a leaf include the cuticle layer, the upper epidermis, the palisade layer, the spongy layer, the lower epidermis, and the stomata. These structures work together to enable plants to perform their cellular processes, photosynthesis, respiration, and excretion.
Aug 24, 2018 · Epidermis. An epidermal leaf cell is any cell which protects the outside of the leaf. These cells are often short and flattened, much like a square pancake. They form a protective layer over the leaf. They often produce waxy substances which protect the leaf from drying out or being attacked by insects.
The cell layer closest to the stem becomes the protective layer which is usually several cells deep and suberized, or coated with a fatty suberin substance. The other layer, the separation layer, forms on the leaf side of things.
