<prompt> Radial bursa is the synol sheath covering the tendon ofFlexor digitorum superficialisFlexor digitorum profundusFlexor Pollicis LongusFlexor carpi radialis  <response>: The radial Bursa is a collection of synol fluid around the Tendon of the Flexor Pollicis Longus muscle, the primary flexor of the thumb ulnar bursa is a synol sheath in the carpal tunnel of the human hand. It contains tendons of the flexor digitorum an and the flexor digitorum profundus 