The mesophyll layer contains both the palisades and spongy layer. They are loaded with chloroplasts and it is where photosynthesis happens,.
A Leaf SectionA Leaf Section,
By Nigel D Purchon,
Gondar Design,
"Use your mouse to explore this animation of a section through the leaf."
http://purchon.com/biology/...
Can a Single Layer of Cells Control a Leaf's Size?
Can a Single Layer of Cells Control a Leaf's Size?
March 15, 2010
Science Daily
Ever looked carefully at the leaves on a plant and noticed their various sizes and shapes? Why are they different
http://www.sciencedaily.com/releases/2010/02/10022...
Mesophyll
Mesophyll
TutorVista.com
Describes the layers and types of cells in the mesophyll.
http://www.tutorvista.com/biology/mesophyll