Uberon definition : A muscle in the manus that functions to adduct the thumb. It has two heads: transverse
and oblique. It is a fleshy, flat, triangular, and fan-shaped muscle deep in the thenar
compartment beneath the long flexor tendons and the lumbrical muscles at the center
of the palm. It overlies the metacarpal bones and the interosseous muscles[WP].;
A muscle in the manus that functions to adduct the thumb. It has two heads: transverse
and oblique. It is a fleshy, flat, triangular, and fan-shaped muscle deep in the thenar
compartment beneath the long flexor tendons and the lumbrical muscles at the center
of the palm. It overlies the metacarpal bones and the interosseous muscles[WP].