What is this small ball inside of my hand?

Can’t get this to heal. It’s very painful and started out

bf has small throbbing spot on face doesn’t hurt/feel like

Small soft movable bump low under teeth from inside of mouth

5 year old boy with small bubble bump on arm.

Small, painless lumps behind tonsil

Do I need stitches? Small Knife fell on foot, pointy tip facing

Monster inside me?

Small hard lump on 7yo neck?

Small holes in feet what is it

Small red thing comes out from my throat when I sneezed

Small bump on right scrotum, NSFW, I am 19