In this essay we will discuss about the ground tissue system. This tissue system includes all the tissues excepting the epidermis and vascular bundles. Therefore, it is the largest tissue system beginning from the layer next to epidermis and continuing up to the centre point of the organ. Ground tissue system is heterogeneous in nature including diverse types of cells [...]
Read this essay to learn about the meaning and significance of root-stem transition. Essay # 1. Meaning of Root-Stem Transition: The change in orientation of vascular tissues from exarch radial type in root to endarch and conjoint collateral type in stem is designated as root-stem transition. The continuity between the vascular strands of roots and stems is maintained but the [...]
In this article we will discuss about the arrangements of tissues in leaves. Leaves are generally flat organs and to differentiate the two surfaces different terms are used. The surface that faces the stem upwardly is designated as upper surface or adaxial surface whereas the other surface is the lower or abaxial surface. Anatomically a leaf comprises the usual three [...]