Plant tissues (tbp)

Plant Tissues: Overview Many of the figures found in this presentation are from the internet site http://botit.botany.wisc.edu/images/130/ and a CD entitled “Plant Anatomy” by Richard Crang & Andrey Vassilyev published by McGraw Hill.

Meristematic tissues – localized regions of cell division ,[object Object],[object Object],[object Object],[object Object]

Illustration from: http://biology.nebrwesleyan.edu/benham/mitosis/ ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Cell Division: Mitosis (nuclear division) + Cytokinesis (cytoplasmic division)

Root Apical Meristem ,[object Object],[object Object],[object Object],[object Object],[object Object]

Lateral Meristems – secondary growth in woody plants Basswood – root in cross section Basswood – stem in cross section; 1, 2, 3 year old stems

Simple Tissues – consisting of one cell type ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Sclerenchyma Right-hand illustration modified from: Weier, Stocking & Barbour, 1974, Botany: An Introduction to Plant Biology, 5th Ed. SCLERIDS FIBERS

Epidermis – stoma, trichomes, & root hairs http://www.ucd.ie/botany/Steer/hair/roothairs.html

Complex Tissue ,[object Object],[object Object],[object Object],[object Object]

Vascular Bundles with xylem & phloem Maize or Corn – vein in cross section Alfalfa – vein in cross section

Plant tissues (tbp)

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