What Are Protoxylem and Metaxylem
Protoxylem and metaxylem are two types of xylem, the water-transporting tissue in plants. Protoxylem is the first xylem to develop in a plant, and it is typically smaller in diameter and has thinner cell walls than metaxylem. Protoxylem is responsible for transporting water to the growing parts of the plant during early development. Metaxylem is … Read more