The interossei are supplied by
Deep palmar arch is formed mainly by terminal pa of the radial aery and is completed medially at the base of fifth metacarpal bone by the deep palmar branch of the ulnar aery. Superficial palmar branch of radial aery joins with the ulnar aery laterally to form a superficial palmar arch which supplies the digits. Deep palmar branch of ulnar aery joins with the radial aery to form deep palmar arch and supplies interossei muscles. BD Chaurasia 7th edition Page no: 126,127
Superficial palmar branch of radial aery
Deep palmar branch of ulnar aery
Superficial palmar arch
Deep palmar arch
Upper limb