Term
|
Definition
| specialized roots that grow from stems and leaves (604) |
|
|
Term
|
Definition
| a yearly growth ring in a woody plant (611) |
|
|
Term
|
Definition
the growing region at the tips of stems and roots in
plants (602) |
|
|
Term
|
Definition
| the protective outside covering of woody plants (611) |
|
|
Term
|
Definition
| the broad, flat portion of a typical leaf (616) |
|
|
Term
|
Definition
a structure that develops on the stem at the point of attachment of each
leaf (609) |
|
|
Term
|
Definition
a modified leaf that forms a protective covering for a bud until it
opens (609) |
|
|
Term
|
Definition
states that water is able to move up the stem xylem
due to the strong attraction of water molecules to each other (613) |
|
|
Term
|
Definition
tissue made up of elongated cells with unevenly thickened,
flexible walls (599) |
|
|
Term
|
Definition
a specialized plant cell that helps control the movement of
sugars through sieve tubes (601) |
|
|
Term
|
Definition
| a type of leaf in which the blade is divided into leaflets (616) |
|
|
Term
|
Definition
| dead cells that provide protection and prevent water loss (602) |
|
|
Term
|
Definition
| the lateral meristem of a plant; produces cork (602) |
|
|
Term
|
Definition
largest region of the primary root, made up of loosely packed
parenchyma cells (605) |
|
|
Term
|
Definition
in plants and insects, a waxy covering that prevents desiccation; in
parasitic roundworms, a noncellular layer that protects the worm from the host’s
digestive and immune systems (600) |
|
|
Term
|
Definition
one type of plant tissue system, which forms the outer
covering of plants (600) |
|
|
Term
|
Definition
in plants, a specialized layer of cells that regulates substances
entering the center of the root (605) |
|
|
Term
|
Definition
a layer of cells that forms a continuous sheet over the outer surface
of a plant of animal (600) |
|
|
Term
|
Definition
a mat of threadlike roots that spread out below the surface
of the soil to maximize exposure to water and minerals and to anchor the plant
firmly to the soil (603) |
|
|
Term
|
Definition
one type of plant-tissue system, made up of
parenchyma, collenchyma, and sclerenchyma (601) |
|
|
Term
|
Definition
one of two cells bordering a stoma, each of which has flexible cell
walls that regulate gas and water exchange (618) |
|
|
Term
|
Definition
| the darker wood in the center of a tree (611) |
|
|
Term
|
Definition
a region of plant tissue that allows grass leaves to
regrow quickly (619) |
|
|
Term
|
Definition
| one of the different segments of a stem (609) |
|
|
Term
|
Definition
in plants, a growing region that increases the diameter of
roots and stems (602) |
|
|
Term
|
Definition
| one of the divisions of a blade (616) |
|
|
Term
|
Definition
| an element used by plant cells in relatively large amounts (606) |
|
|
Term
|
Definition
| the growing region in plants (602) |
|
|
Term
|
Definition
| in leaves, the tissue where photosynthesis occurs (616) |
|
|
Term
|
Definition
| an element used by plants in relatively small amounts (606) |
|
|
Term
|
Definition
in plant leaves, the repeated branching of veins to form a network
of smaller veins (616) |
|
|
Term
|
Definition
| the end of the internode where one or more leaves are attached (609) |
|
|
Term
|
Definition
in plants, a layer of mesophyll directly beneath the upper
epidermis where most photosynthesis takes place (616) |
|
|
Term
|
Definition
in plants, the arrangement of several main veins parallel to
each other (616) |
|
|
Term
|
Definition
in plants, the living tissue of the ground system, consisting of
cells with thin cell walls (599) |
|
|
Term
|
Definition
in plants, the outermost cylinder of cells in the central vascular
area (606) |
|
|
Term
|
Definition
| in leaves, the structure that attaches blade and stem (616) |
|
|
Term
|
Definition
| thin porous areas of the cell wall (601) |
|
|
Term
|
Definition
| the plant tissue located in the center of the stem (606) |
|
|
Term
|
Definition
an explanation of the movement of sugars in the
phloem of plants (612) |
|
|
Term
|
Definition
| the tissue produced by apical meristems in plants (602) |
|
|
Term
|
Definition
| a shield covering the apical meristem (604) |
|
|
Term
|
Definition
| an extension of the epidermal cells (604) |
|
|
Term
|
Definition
lighter-colored wood near the outside of a tree trunk active in
transporting sap; tissue of the secondary xylem system (611) |
|
|
Term
|
Definition
the tissue of the ground system that supports and strengthens
the plant (600) |
|
|
Term
|
Definition
| the tissue produced by lateral meristems of plants (602) |
|
|
Term
|
Definition
a region at the end of a sieve tube member through which
compounds move from cell to cell (601) |
|
|
Term
|
Definition
| structure formed by stacked sieve tube members (601) |
|
|
Term
|
Definition
| the conducting cell of angiosperm phloem (601) |
|
|
Term
|
Definition
| a leaf with only one blade (616) |
|
|
Term
|
Definition
| the place where a plant stores or uses sugars (613) |
|
|
Term
|
Definition
| the place where sugars are made in a plant (613) |
|
|
Term
|
Definition
a mesophyll of irregularly shaped cells surrounded by air
spaces that allow oxygen, carbon dioxide, and water to diffuse into and out of
the leaf (616) |
|
|
Term
|
Definition
in woody plants, secondary xylem with cells that are wide and thin
walled; the first wood of a growing season (611) |
|
|
Term
|
Definition
in woody plants, secondary xylem cells that are small and thick
walled and that are produced in hot, dry summers (611) |
|
|
Term
|
Definition
the organ that results when the primary root grows downward and
becomes the largest root (603) |
|
|
Term
|
Definition
a specialized leaf found in many vines that takes on a coiled
appearance (615) |
|
|
Term
|
Definition
a long, thick wall with tapering ends, forming part of the xylem tissue
of plants (601) |
|
|
Term
|
Definition
| movement of organic molecules in plant tissue (612) |
|
|
Term
|
Definition
| the evaporation of water through stomata (613) |
|
|
Term
|
Definition
the lateral meristem in a plant that produces additional
vascular tissue (602) |
|
|
Term
|
Definition
the system that includes the xylem and phloem tissues
of plants (601) |
|
|
Term
|
Definition
| vascular bundles that make up the vascular tissue system in leaves (616) |
|
|
Term
|
Definition
| the arrangement of veins in a leaf (616) |
|
|
Term
|
Definition
in plants, a structure formed by stacked vessel elements; in animals, a
tubular conducting structure for blood or other body fluid (601) |
|
|
Term
|
Definition
an elongated, water-conducting plant cell wall with slanting
ends and holes through which water can pass (601) |
|
|
Term
|
Definition
| a secondary xylem in the vascular cambium (611) |
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|
