s keratosis pilaris, a hereditary condition characterized by
bumps of keratin protein in the hair openings. Common
on the upper
arms--keep your eyes open during short sleeve weather and you'll see lots of fellow owners."
On me, these are just numerous, tiny bumps in slightly reddish color. They are clustered together. They don't necessarily contain fluids, but sometimes I've seen some white substance from the skin pores of that area.