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Tissues and the Primary Growth of Stems: Chapter 5 (Stem Growth and…
Tissues and the Primary Growth of Stems: Chapter 5
Plants and People: Parenchyma, Sclerenchmyma, and Food
Parenchyma=Food
Collenchyma is celery
Sclereids is like peas and beans
Concepts
Leaves, stems, and roots
Angiosperms
Basal Angiosperms
Primary and Secondary plant body
Eudicots
Monocots
Herb
Basic Types of Cells and Tissues
Parenchyma
Only primary walls
soft plants
Flower pelats color
Collenchyma
Primary wall that remains thin in some areas but think in others [corners]
strechable
Sclerenchyma
thick secondary wall
always lignified
Sclereids
Pit-pair
External Organization of Stems
nodes
Leaf Axil
Axillary bud
Phyllotaxy
stolons
Rhizomes
Plants DO Things Differently: Organs: Replace Them or Reuse Them?
Animals have organs; plants have roots, stems, and leaves
Plants can replace some of their "organs"
"one-use" only organs for plants
Internal Organization of Stems: Arrangement of Primary Tissues
Epidermis
single layer of Parenchyma cells
Cutin or cuticles
Stoma
Trichomes [hairs]
Cortex
interior to the epidermis
composed of parenchyma and collenchyma
Vascular Tissues
Xylem
Pholem
Xylem
Tracheids
Vessel Elements
Helical THickening, Annular thinkening, Scalariform thickening, reticulate thickening
pit membrane
Perforation
Phloem
Sieve Cells and Sieve tube members
Sieve Pores and Sieve Areas
Sieve tube and Sieve Plates
Albumionous Cells
Companion Cells
Vascular Bundles
Pith
Collaeral
Primary Xylem
Primary Phloem
Stem Growth and Differentiation
Apical Meristems
Subapical Meristem
Metaxylem
Protophloem
Metaphloem
Protoderm
Procascular Tisssues
Ground Meristem
Plants Do Things Differently: Plants and People Grow Differently
Determinate Growth for animals and plants have Indeterminate growth
Determinate Organogenesis versus Indeterminate Organogenesis
Annual Plants
Biennial Plants
Alternatives: Simple Plants
Hornworts
Liverworts
Mosses