horticulture

air spaces

site for the collection and evacuation/elimantion of 02 and storage of co2

chloroplasts

primarly found in the palisade layer and are the organelles invovled in photosynthesis and production of glucose

cuticle

the waxy layer that prevents the leaf from drying out and is thickest in plants growing in arid regions

epidermis

single thickness cuboidal shaped cell layer which covers and protects the entire leaf

guard cells

the two cells which protect the stoma by opening and closing

palisade layer

consists of regularly arranged cylindrical cells and is the primary photosynthesis tissue of the leaf

phloem

vascular system part that conducts food material for storage

spongy layer

thin walled loosely packed area where most grass exchanged occurs

stomata

the opening which allows gasses co2 o2 to exchanged

xylem

the part of the leaf that carries conducts water