In this essay we will discuss about the general structure of the plant body, explained with the help of a diagram. Growth of the plant body starts generally from the morphologically unicellular zygote which gradually develops into the embryo and then to the whole plant. In spite of great diversities existing in the vascular plants as regards their size, structure [...]
Read this essay to learn about:- 1. Origin and Distribution of Parenchyma Tissue 2. Cell Structure 3. Functions. Essay # 1. Origin and Distribution of Parenchyma Tissue: The parenchyma of cortex and the pith, of the mesophyll of leaves, and of the floral parts originate from the ground meristem and protoderm. The primary and secondary xylem and phloem parenchyma are [...]
Read this essay to learn about:- 1. Origin and Distribution of Collenchyma Tissue 2. Cell Structure 3. Functions. Essay # 1. Origin and Distribution of Collenchyma Tissue: Ontogenetically, collenchyma cells develop from certain elongated cells resembling procambium which are formed in the very early stages of differentiation of the meristem. Sometimes less specialised collenchyma originates from the ground meristem. Some [...]