For example, a peripheral neuropathy caused by a vitamin deficiency can be treated -- even reversed -- with vitamin therapy and an improved diet. Likewise, nerve damage brought on by alcohol abuse can often be stopped and improved by avoiding alcohol.
2. Vascular tissue - xylem and phloem in leaves form in strands called veins. Xylem forms on the upper side of a vein (on a vertical leaf, on the side next to the stem), and phloem on the lower side (side away from the stem). a. Veins are like a leaf's fingerprint and can be used to identify plants.
To absorb light from different parts of the Sun's spectrum. Network of vascular bundles (veins). To support the leaf, and to transport water and carbohydrates. Stomata stomata: Tiny holes in the epidermis (skin) of a leaf-usually on the undersides of leaves. They control water loss and gas exchange by openng and closing. Singular is stoma.