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Companion cells Tracheids

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Presentation on theme: "Companion cells Tracheids"— Presentation transcript:

1 Companion cells Tracheids
Vessel cells (elements) Cortex Guard cells Parenchyma Mesophyll cells Collenchyma Sieve cells Schlerenchyma Protoderm Procambium Cork cells Ground meristem Endodermal cells Xylem cells (2) Phloem cells (2) Embryonic tissue cells (3) Ground tissue cells (6) Epidermal cells (2) Living tissue (11) Nonliving tissue (4)

2 Meristem Root hairs Corm Stolon Bulb Rhizome Stomata Nodule Root cap Zone of division Guard cell Zone of elongation Mycorrhizae Zone of maturation Plasmodesmata Casparian strip Haustoria Tuber Tendril Root (11) Stem (7) Leaf (5)

3 Transpiration Xylem movement (7)
Source/sink Phloem movement (5) Guttation Short distance movement (5) Symplast Apoplast Root pressure Casparian strip Cohesion Adhesion Tension Transfer cells Bulk flow Active transport Translocation


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