Roots, Stems, And Leaves Vocabulary

Front 1

apical meristem

Back 1

group of undifferentiated cells that divide by mitosis to produce increased length of stems and roots

Front 2

collenchyma

Back 2

type of ground tissue cell with a strong and flexible cell wall that helps support larger plants

Front 3

companion cell

Back 3

phloem cell that surrounds sieve tube elements

Front 4

cuticle

Back 4

a think, waxy layer on exposed outer surfacesof cells that protects against water loss and injury

Front 5

epidermal cell

Back 5

cell that makes up the dermal tissue, which is the outer covering of a plant

Front 6

meristematic tissue

Back 6

plant tissue found in the tips and shoots of roots that is responsible for plant growth (mitosis)

Front 7

parenchyma

Back 7

type of ground cell with thin cell walls and large vaculoes where most photosynthesis occurs

Front 8

sclerenchyma

Back 8

type of ground issue cell with a thick rigid cell wall that makes tissue tough and strong

Front 9

sieve tube element

Back 9

phloem cell that is joined end-to-end to similar cells to form a continuous tube

Front 10

trichome

Back 10

tiny cellular projection on surfaces of some leaves that helps protect the leaf and gives a fuzzy appearence

Front 11

vessel element

Back 11

a xylem cell that forms part of a continuous tube through which water can move

Front 12

Casparian strip

Back 12

waterproof strip that surrounds endodermis cells

Front 13

cortex

Back 13

spongy layer of ground tissue just inside the epidermis of the root

Front 14

endodermis

Back 14

layer of cells that encloses vascular tissue

Front 15

fibrous root

Back 15

part of a root system in which roots branch to such an extent that no single root grows larger than the rest

Front 16

root cap

Back 16

tough structure that protects the root as it forces its way through the soil

Front 17

root hair

Back 17

tiny projection from the outer surface of a root

Front 18

taproot

Back 18

primary root found in some plants that grow longer and thicker than other roots

Front 19

vascular cylinder

Back 19

cenral region of a root that includes the vascular tisse-xylem and phloem