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Chap 26 Vocab Bio

TermDefinition
Dermal Tissue Forms the protective outer layer of a plant
Ground Tissue Makes up much of the inside of the nonwoody parts of a plant
Epidermis Dermal tissue that covers the outer parts of nonwoody plants
Cork Dermal tissue on woody stems and roots consists of several layers of dead cells
Vessels Gnetophytes and flowing plants that have a second type of xylem cell
Sieve tubes Conducting strands of phloem
Cortex Ground tissue surrounding outside vascular tissue
Root hairs Slender projections of the cell membrane that greatly increase the surface area of a root and its ability to absorb water and nutrients
Root cap Mass of cells that protects the actively growing root tip
Herbaceous plant A plant with flexible stems that are usually green
Vascular bundles Bundles of xylem and phloem that are in vascular plants
Pith The ground tissue that is located inside the vascular bundles
Heartwood The wood in the center of a mature stem or tree trunk where the xylem no longer conducts water
Sapwood Lies outside the heartwood and contains vessels that conduct water
Petiole Stalk that attaches the blade of the leaf to the stem
Mesophyll The ground tissue in leaves that have cells that are packed with chloroplast
Transpiration The loss of water vapor from a plant
Source To refer to a part of a plant that provides organic compounds for other parts of the plant
Sink To refer to a part of a plant that organic compounds are delivered to
Translocation The movement of organic compounds within a plant from a source to a sink
Created by: user-1849359
 

 



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