Do nails grow from the top or bottom?

Do nails grow from the top or bottom? nail plate

Where do your nails grow from?

Nails start in the nail root, hidden under the cuticle. When cells at the root of the nail grow, the new nail cells push out the old nail cells. These old cells flatten and harden, thanks to keratin, a protein made by these cells. The newly formed nail then slides along the nail bed, the flat surface under your nails.

What direction do fingernails grow?