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.
What Is It? Superficial leg veins, sometimes called spider veins occur when tiny veins congregate below the surface of the skin, causing red, blue or purple discolorations. Spider veins get their name from the shape of the discolorations. Some cases of spider veins can be quite small. Others are more noticeable.