Anatom3DSuperficial transverse metacarpal ligament
Ligamentum metacarpale transversum superficiale · Povrchový příčný záprstní vaz
Fascia & connective tissue
Looks like
Thin crosswise fibres in the palm near the base of the fingers, part of the palmar aponeurosis.
What it does
Links the palmar aponeurosis across the knuckle region and supports the palm skin.
Keeping it well
Can thicken in Dupuytren's disease, adding to cords in the palm; see a doctor if the hand no longer lies flat.