common flexor sheath (of hand)

com·mon flex·or sheath (of hand)

[TA] the synovial palmar carpal tendinous sheath that surrounds the eight tendons of the superficial and deep flexors of the digits of the hand as they pass through the carpal canal; it is commonly continuous with the synovial digital sheath of the little finger. Synonym(s): vagina communis tendinum musculorum flexorum (manus) [TA], ulnar bursa