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Leaf Structure

TermDefinition
Blade Outer part of the leaf that does photosynthesis
Petiole Structure which connects the leaf to the stem
Leaf vein Outer part of the leaf which transports water and glucose
Leaf margin Edge of the leaf
Cuticle Waxy layer of the leaf which prevents water loss
Upper epidermis Produces the cuticle
Lower epidermis Contains the stomata
Palisade mesophyll Vertical layer which does the most photosynthesis
Spongy Mesophyll Inner layer with air spaces that does the most photosynthesis
Chloroplast Organelle which does photosynthesis
Stomata Openings which allow gas exchange and water loss
Guard cells Cells which make up the stomata
Transpiration Water loss due to a difference in concentration inside the leaf and outside the leaf
Parenchyma Cells with thin walls that do photosynthesis, storage
Collenchyma Cells which provide flexible support
Schlerenchyma Cells with very thick cell walls. Provide strong support
Dermal tissue Tissue which covers and protects
Vascular tissue Tissue which transports water and sugar
Ground tissue Tissue which supports
adhesion attraction of water to different substances
cohesion attraction of water to water due to hydrogen bonding
tropism plant response or behavior
phototrophism plant response to light
gravitropism plant response to gravity
hydrotropism plant response to water
thigmotropism plant response to touch
Created by: jenniyauck
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