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Higher biology - Chapter 27
Glossary
12
Biology
Not Applicable
04/27/2011

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Term
1 apical meristem
Definition
Site of primary growth in a plant such as a root tip or shoot tip
Term
2 autumn wood
Definition
Region of an annual ring of thickening containing small xylem cells
Term
3 cambium
Definition
Type of lateral meristem responsible for secondary thickening of a woody plant’s stem
Term
4 differentiation
Definition
Process by which an unspecialised cell becomes structurally adapted to perform a special function
Term
5 elongation
Definition
Process by which newly formed cells at a meristem increase in length
Term
6 growth
Definition
Irreversible increase in dry mass of an organism
Term
7 lateral meristem
Definition
Site of secondary growth in a plant
Term
8 meristem
Definition
General name for a group of undifferentiated plant cells capable of dividing repeatedly
Term
9 regeneration
Definition
Process by which an organism replaces lost or damaged parts
Term
10 spring wood
Definition
Region of an annual ring of thickening containing large xylem vessels
Term
11 tissue culture
Definition
Form of artificial propagation used to produce a clone of a desirable plant
Term
12 vacuolation
Definition
Process by which newly formed cells at a meristem develop a permanent central vacuole
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