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 [...]
Read this essay to learn about the arrangements of primary tissues in the roots of plants. 1. Epiblema: The dermal tissue system is called epiblema or rhizodermis as it differs from that of the shoot in origin, structure and function. The cells of this layer are elongated, thin-walled with a thin cuticle on the outer cell wall and devoid of [...]