metaxylem
Metaxylem is a component of the primary xylem in vascular plants and forms after protoxylem during the differentiation of vascular tissue. In most angiosperms, metaxylem constitutes the inner portion of the primary xylem within the stele, located interior to the protoxylem.
Development and anatomy: Metaxylem originates from the procambium and differentiates as the organ lengthens after the
Function and significance: Metaxylem conducts water and minerals from roots to shoots and provides some mechanical
Distribution and variation: In roots, protoxylem develops near the tip and metaxylem differentiates interior to it;