UT Arlington BIOL BIOL 3427 - Cells and tissues of plant body (10 pages)

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Cells and tissues of plant body



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Cells and tissues of plant body

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This lecture not outlines the various tissues and tissue systems of the plant body.


Lecture number:
4
Pages:
10
Type:
Lecture Note
School:
University of Texas at Arlington
Course:
Biol Biol 3427 - Plant Science
Edition:
1

Unformatted text preview:

BIOL 3427 1st Edition Lecture 4 Outline of current lecture I Primary growth from apical meristems II Three processes of development III Three tissue systems a Protective function like bar k Internal Organization of the plant body II Tissues A Structural and functional units of cells B Grouped into tissue systems in plants a Ground Fundamental i Filler tissue in plant ii No major function iii Photosynthetic b Vascular i Conductive system for plant c Dermal i Protective outer covering for entire plant III Characteristic pattern a Vascular tissues embedded in bundles ground tissues i The ground tissue is also called the cortex ii Tissue in vascular bundles is called the pith iii Surrounded by ground tissue iv Functions in protection of some sort b Dermal tissue forms outer covering IV Simple versus complex tissues a Simple one cell type ground tissue b Complex tissue two or more cell types ex Vascular and dermal tissue V Photosynthesis a Function in secretion storage and transport b Travel short distances to transfer water or sugars to the vascular tissue VI Ground tissues a Collenchyma i Living at maturity 1 Common in strands or cylinders 2 Usually elongated These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute 3 Unevenly thickened 4 Support young growing 5 Lots of cellular space therefore diffusion of gases have plasmodesmata 6 Nonlignified primary wall flexible VII Vascular tissues a Xylem b Water conducting tissue in vascular plants i Also mineral transport support food storage 1 Runs all the way to the base of the plant continuously c Derived from i Procambium primary xylem ii Vascular cambium secondary xylem 1 Looks the same but comes from different meristems 2 Increases length of width and girth d Principal conducting cells i Tracheids 1 Less specialized lacking perforations just have pits a More ancient b Less efficient at carrying water than vessal elements c



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