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Plants 23.3
Plants Vocab Words Section 23.3
11
Biology
9th Grade
05/17/2012

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Term
Node
Definition
part on a growing stem where a leaf is attached
Term
Bud
Definition
plant structure containing apical meristem tissue that can produce new stems and leaves
Term
Vascular Bundle
Definition
clusters of xylem and phloem tissue in stems
Term
Pith
Definition
parenchyma cells inside the ring of vascular tissue in dicot stems
Term
Primary Growth
Definition
pattern of growth that takes place at the tips and shoots of a plant
Term
Secondary Growth
Definition
type of growth in dicots in which the stems increase in thickness
Term
Vascular Cambium
Definition
meristem that produces vascular tissues and increases the thickness of stems
Term
Cork Cambium
Definition
meristematic tissue that produces the outer covering of stems during secondary growth of a plant
Term
Heartwood
Definition
in a woody stem, the older xylem near the center of the stem that no longer conducts water
Term
Sapwood
Definition
in a woody stem, the layer of secondary phloem that surrounds the heartwood; usually active in fluid transport
Term
Bark
Definition
tissues that are found outside the vascular cambium, including the phloem, cork cambium, and cork
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