Tag Archives | Plant Anatomy

Secretory Structures of Plant Tissues | Essay | Plant Anatomy | Botany

In this essay we will discuss about the external and internal secretory structures of plant tissues. Essay # 1. External Secretory Structures of Plant Tissues: External surfaces of the plant bear several secretory structures of epidermal origin or epi­dermal derivatives or emergences from deeper tissues. These include glands, glandular trichomes, nectaries, osmophores, hydathodes and salt glands. a. Glandular Trichomes: The [...]

By |2017-04-11T09:15:47+00:00April 11, 2017|Plant Tissues|Comments Off on Secretory Structures of Plant Tissues | Essay | Plant Anatomy | Botany
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Essay on Ground Tissue System | Plant Anatomy | Botany

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 [...]

By |2017-04-11T09:15:47+00:00April 11, 2017|Plant Tissues|Comments Off on Essay on Ground Tissue System | Plant Anatomy | Botany
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Structural Development of Root and Shoot Apices | Essay | Botany

Read this essay to learn about the theories of structural development of root and shoot apices:- 1. Apical Cell Theory 2. Histogen Theory 3. Tunica-Corpus Theory. Essay # 1. Apical Cell Theory: In cryptogams like algae, bryophytes and pteridophytes the solitary apical cell found to be constantly present leads to the whole process of growth. Many resear­chers believe that the [...]

By |2017-04-11T09:15:46+00:00April 11, 2017|Root|Comments Off on Structural Development of Root and Shoot Apices | Essay | Botany
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