VIP: Leaf Cross-Section

Provide both name and function labels:

Cuticle - wax
reduces water loss
Gas space - evap-
orative cooling
Guard cell - regu-
lates gas exchange
Stoma - gas
exchange path
Upper Epidermis -
window or lens
Palisade Mesophyll -
Xylem -
water and mineral import
Phloem - sugar and
amino acid export
Bundle Sheath -
phloem loading
Spongy Mesophyll -
PSN + evaporative cooling
Lower Epidermis -
gas exchange


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