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Secretory Tissue in Plants PPT (Structure, Classification and Examples)


Plant Science PPT

Secretory Tissue System in Plants PPT
(Structure, Classification, Functions and Examples of Secretory Tissues in Plants)

What is Plant Secretion? What are Secretory Tissues? How Plant Secretory System is Classified? Different Types of Secretory Systems in Plants, External vs Internal Secretory System in Plants, Glandular Trichomes, Nectaries and Hydathodes in Plants, Digestive Glands of Drosera, Salt Glands of Mangrove Plants, Colletors, Floral vs Extra-floral Nectaries, Water Stomata, Guttation, Internal Secretory Cells, Idioblasts, Cystoliths vs Raphides, Secretory Ducts and Cavities in Plants, Lysigenous vs Schizogenous Cavities in Plants, Laticifers in Plants, Articulate and Non-articulate Laticifers, Articulate Anastomosing and Articulate Non-anastomosing Laticifers, Chemical Composition of Latex and many more…

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Botany lecture notes

Secretory Tissue System in Plants (Structure, Classification and Functions + PPT)


secretory cells

Secretory Cells and Tissues in Plants
(Structure and Classification of Secretory Tissue System in Plants with Examples)

What are plant secretions?

Most of the plants release many substances from their cell cytoplasm to the exterior and they are called as Plant-secretions. Among these secretions, some are beneficial to the plant and some are not. The beneficial substances secreted from the plant parts are called as secretions. The chemical composition of plant secretions highly varies. The secretions may be water, nectar, salt, tannins, resins, latex, gums, digestive enzymes, hormones etc.

Secretory Cell/Tissue

Cells or tissue associated with or facilitate the secretion is termed as the secretory cell or secretory tissue. The structure, arrangement and the origin of secretory cells/tissues highly varies.

Classification of Secretory Tissues

Ø  The secretory tissue is broadly classified into two categories based on their position in the plant body. They are

(I). External secretory tissue

(II). Internal secretory tissue

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