Why can't we see our bones (like we can our veins) when a flashlight is held against a hand?

Why can’t we see our bones when light (like a flashlight) is held against our hands, but we can see veins? You’d figure we could see our bones more than our veins since they’re bigger and denser. Obviously, there’s some kind of explanation that I’m missing and need to add to my knowledge.

Is it something like we can’t see our bones because of how the light not only goes through but (possibly) also bounces off/through our skin? And how, since veins are closer to the surface, they’re simply illuminated easier? Is that a completely ridiculous idea I have? Someone fill me in.