parts of the leaf

• What are the parts of the leaf tissue?

  • Upper epidermis
  • Palisade mesophyll
  • Spongy mesophyll
  • Lower epidermis
  • Guard cells
  • Stomata
  • Waxy cuticle
  • Air space
• What is the function of the upper epidermis?

  • Thin and transparent
  • Allows light to pass through to the palisade mesophyll.
• What is the function of the palisade mesophyll?

  • Box shaped cells with lots of chloroplasts that absorbs the maximum amount of light.
• What is the function of the spongy mesophyll?

  • Irregular shaped cells with air spaces.
  • Increased surface area for co2 absorption.
• What is included in the lower epidermis?

  • Pair of guard cells
  • Stomata
• What is the xylem?

  • Columns of dead cells
  • Strengthened by lignin
  • Transports water to the leaf
• What is the phloem?

  • Columns of living cells
  • Transports glucose away from the leaf.
• What is the function of the cuticle? 


  A waxy layer that prevents water loss by evaporation.