Tag Archives | Essay

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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Microsporogenesis and Microgametogenesis in Plants | Essay | Embryology

Read this essay to learn about the process of microsporogenesis and microgametogenesis in angiospermic plants. Development of Microspore Mother Cell and Microsporogenesis (Development of Micros­pores i.e., Pollen Grain): Microspores i.e., the pollen grains, are developed inside microsporangia. The microsporangia are developed inside the corners of the 4-lobed anther. Young anthers are more or less oblong in shape in section and [...]

By |2017-04-11T09:15:47+00:00April 11, 2017|Plants|Comments Off on Microsporogenesis and Microgametogenesis in Plants | Essay | Embryology
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