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CHS Advanced Biology students will use these flashcards to study specific plant cells and tissues

parenchyma cell

Flexible, thin-walled, spherical cells that perform a wide range of functions.

collenchyma cell

Plant cells that are elongated and occur in long strands or cylinders that provide support for surrounding cells.

sclerenchyma cell

Plant cells that lack cytoplasm when they mature, but retain their thick, cell walls.

meristems

Regions of rapidly dividing cells

vascular cambium

A thin cylinder of meristematic tissue that can run the entire length of roots and stems.

cork cambium

Produces cells that develop tough cell walls that form a protective outside layer on stems and roots.

epidermis

The layer of cells that makes up the outer covering on a plant.

guard cells

The two cells that form a stoma.

xylem

The water-carrying vascular tissue that is composed of vessel element and tracheid cells.

vessel elements

Cells in the xylem tissue that are tubular and stacked end to end forming long strands.

tracheids

Long, cylindrical cells in the xylem that have pitted ends.

phloem

The main food-carrying tissue in vascular plants.

sieve tube members

Cells in the phloem tissue that lack a nucleus, but are long and cylindrical for conducting sugar water.

companian cells

Cells in the phloem tissue that have a nucleus and assist the sieve tube members.

ground tissues

Consist of parenchyma, collenchyma, and sclerenchyma cells and have diverse functions, including photosynthesis, storage, and support.

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