Question

define medullary rays​

Answer 1

Explanation:

Medullary rays are cellular structures found in some species of wood. They appear as radial planar structures, perpendicular to the growth rings, which are visible to the naked eye. In a transverse section they appear as radiating lines from the centre of the log.

Answer 2

The extension of parenchymateous cells of the pith in been the vascular bundles is called Medullary Rays .

The Medullary Rays extends from the pith to the secondary pholem and helps in the radial conduction of water and minerals from the centre to the peripheral organs