When Protoxylem is Surrounded by Metaxylem It is
Protoxylem is the first-formed xylem in the plant. It is located in the center of the stem and is surrounded by newer, secondary xylem called metaxylem. As the stem grows, new secondary xylem is produced, which pushes the protoxylem to the outside of the stem. This arrangement of xylem allows for the efficient transport of … Read more