Meristematic cells have some distinctive features. They are usually isodiametric and compactly arranged without leaving intercellular spaces. Cells have dense cytoplasm, very small vacuoles and quite prominent nuclei. Plastids are in the pro-plastid stage and ergastic matters are usually absent. Walls are thin, homogeneous and made of cellulose (Fig. 135). These are the characters of truly meristematic cells; departures are [...]
This article provides a diagram of monocot root. Also learn about:- 1. Exodermis 2. Origin of Lateral Roots 3. Root-Stem Transition. A monocotyledonous root has almost identical structure and plan of arrangement, of tissues, excepting the following points of difference: (1) Bundles in monocotyledonous roots are numerous and not limited, as in dicotyledonous roots; and the metaxylem cavities are wider. [...]
In this article we will discuss about the permanent tissue in plants:- 1. Simple Tissue 2. Complex Tissue. Permanent tissues are simple or complex, according to the nature of component cells. A simple permanent tissue is composed of only one type of cells and is thus homogeneous; whereas the complex permanent tissue is heterogeneous, consisting of more than one type [...]