1. It does not contain too many light absorbing substances (like chlorophyll or anthocyanin)
2. It is very thin, so there is a good chance some photons will pass through it rather then be captured by a nontransparent molecule
3. Observed under a microscope, not every epiderm cell is quite transparent, e.g. guard cells are green, some trichoms are red or brown.
An epidermal cell is a cell that is part of the outer layer of an organism. For example, in humans, skin cells are epidermal. Leaves on plants have epidermal layers on the top and bottom of the leaf.
Phagocytic Cell
Leaf
Keratinocytes
stratum granulosum and stratum lucidum
An epidermal cell is a cell that is part of the outer layer of an organism. For example, in humans, skin cells are epidermal. Leaves on plants have epidermal layers on the top and bottom of the leaf.
Phagocytic Cell
merbel cell
mitochondria
Leaf
yes
Keratinocytes
An epidermal dendritic cell.
cell wall & cytoplasm
Lower epidermal cells.
stratum granulosum and stratum lucidum
The epidermal cell have cuticle (in plants) or chiten (in animals) on their outer tangential walls to perform protective function.