What is the difference between dorsoventral and isobilateral leaf

Differences between dorsiventral and isobilateral leaf:

Dorsiventral Leaf	Isobilateral Leaf
The number of stomata is more on the abaxial epidermis than the adaxial epidermis.	Almost equal number of stomata is present on the abaxial and adaxial surfaces.
Mesophyll is differentiated into spongy and palisade parenchyma.	Mesophyll layer is not differentiated into spongy and palisade parenchyma.
Vascular bundles are large and vary in size as per the size of veins.	Vascular bundles are similar in size, only the bundles near the mid vein are large.
Bulliform cells are absent.	Bulliform cells are present.