Does TLC depend on solute particle size? I know that it depends on polarity i.e more polar solutes tend to not travel up the TLC plate as far as nonpolar solutes because the silica gel is polar, but does the particle size play any role in it? Also, what is meant by TLC having "pores" in it?

Does TLC depend on solute particle size? I know that it depends on polarity i.e more polar solutes tend to not travel up...
Does TLC depend on solute particle size? I know that it depends on polarity i.e more polar solutes tend to not travel up the TLC plate as far as nonpolar solutes because the silica gel is polar, but does the particle size play any role in it? Also, what is meant by TLC having "pores" in it?