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20 terms

BIO 1108: Flowering Plant Vegetative Structures

Augusta State University Dr. Cromer Spring 2012
the outermost cell layer of the primary plant body
root hairs
tiny hair-like extensions that increase the surface area of the root allowing it to absorbs more water and nutrients
root cap
thimble-shaped mass of cells covering and protecting the growing tip of a root
apical meristem
group of undifferentiated cells that divide to produce increased length of stems and roots
spongy layer of ground tissue just inside the epidermis of a root
vascular cylinder
central region of a root that includes the vascular tissue-xylem and phloem
the area of a plant's stem from which the leaves grow
a segment of a stem between two nodes
apical bud
A bud at the tip of a plant stem; also called a terminal bud
lateral (axillary) bud
meristematic area on the side of a stem that gives rise to side branches
Waxy, protective layer that covers the stems, leaves, and flowers of many plants. Helps prevent water loss
the tissue forming the outer layer of a structure in a plant
soft spongelike central cylinder of the stems of most flowering plants
vascular bundle
a unit strand of the vascular system in stems and leaves of higher plants consisting essentially of xylem and phloem
especially a leaf of grass or the broad portion of a leaf as distinct from the petiole
the slender stem that supports the blade of a leaf
the small openings on the undersides of most leaves through which oxygen and carbon dioxide can move
guard cells
The two cells that flank the stomatal pore and regulate the opening and closing of the pore
The ground tissue of a leaf, sandwiched between the upper and lower epidermis and specialized for photosynthesis
in plants, a cluster of vascular tissue in leaves