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The cells inside the leaf have water on their surface. Some of this water evaporates, and the water vapour can then escape from inside the leaf. ... To allow more light to reach the palisade cells ...
May 9, 2023 · Structure of the Leaf. Plant leaves have complex structures with layers of different tissues containing specially adapted cells. 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 ...
Like the stem, the leaf contains vascular bundles composed of xylem and phloem (Figure 3.4.2.6 − 7 3.4.2. 6 − 7). When a typical stem vascular bundle (which has xylem internal to the phloem) enters the leaf, xylem usually faces upwards, whereas phloem faces downwards. The conducting cells of the xylem (tracheids and vessel elements ...
Oct 31, 2023 · Figure 30.10.1 30.10. 1: Mesophyll: (a) (top) The central mesophyll is sandwiched between an upper and lower epidermis. The mesophyll has two layers: an upper palisade layer and a lower spongy layer. Stomata on the leaf underside allow gas exchange. A waxy cuticle covers all aerial surfaces of land plants to minimize water loss.
Transparent waxy cuticle close cuticle The outer layer of a leaf which protects it. – a protective layer that allows light to enter the leaf. It is waterproof in order to prevent water loss by ...
Aug 24, 2018 · 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. A leaf cell in the epidermis often lacks ...
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Jul 31, 2022 · Each plant species has a characteristic leaf arrangement and form. The pattern of leaf arrangement may be alternate, opposite, or spiral, while leaf form may be simple or compound. Leaf tissue consists of the epidermis, which forms the outermost cell layer, and mesophyll and vascular tissue, which make up the inner portion of the leaf. In some ...
