Lecture 4_Dermal Tissue System

Lecture 4_Dermal Tissue System - BIS001C A01-A20 FQ 2008...

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BIS001C A01-A20 FQ 2008 Professor Sharman O’Neill
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BIS1C Topic 4-6 PLANT TISSUE SYSTEMS I. Introduction: Building a Plant II. Meristems give rise to Primary Tissues III. Organization of Three Primary Tissues A. Refer to “3-D Flowering Plant” IV. Examine Each Tissue System separately: A. Dermal (Topic 4) B. Ground (Topic 5) C. Vascular (Topic 6) V. Summary
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Plant body has five levels of complexity: I. Whole Plant II.Shoot and root systems III.Organs A. Stems, roots, leaves, flowers IV. Tissues (“tissue systems”) V. Cells A. Cell types (~40 different cell types)
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All levels of complexity are ultimately derived from the apical meristems I. Apical meristems A. Shoot apical meristem (SAM) B. Root apical meristem (RAM). II. Function of meristems: A. Cell division (increase in cell number) (1) Initials (remain capable of cell division) (2) Derivatives (many fates) - cell elongation then differentiation. III. SAM & RAM give rise to 3 “Primary Meristems.” IV. Primary Meristems produce: A. Primary tissues (continuous throughout the plant) B. Primary cells .
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Lecture 4_Dermal Tissue System - BIS001C A01-A20 FQ 2008...

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