Cross Section Plant Stem

Woody part of the stem.

Cross section plant stem. Part of the root that protects the pith. Outer layer of the stem. If you were to look carefully at the cross section of a stem you would find several layers inside each of which has a different job.

The outside of the stem is covered with an epidermis which is covered by a waterproof cuticle. Tubes that carry sap. Transverse sections are taken and stained suitably for the internal structure.

The outer walls are convex thickened and cutinised. Dicot stems with primary growth have pith in the center with vascular bundles forming a distinct ring visible when the stem is viewed in cross section. Protective covering of the stem.

The cells are transparent and devoid of chloroplasts. Cross section of a root. In monocot stems the vascular bundles are randomly scattered throughout the ground tissue.

Producing the ringed effect. In plants with stems that live for more than one year the individual bundles grow together and produce the characteristic growth rings. It is made up of compactly arranged elongated parenchymatous cells which look rectangular barrel shaped in a trans verse section.

Vessels through which sap circulates. This video provides a demonstration of making thin cross sections by hand for plant material such as stems and roots. It shows the following plan of arrangement of tissues figs.