<prompt> Roach clasp arm refers toRetentive terminal of circumferential claspReciprocal arm of circumferential claspBar type claspNone of the above  <response>: The term bar clasp is generally preferred over the less descriptive term Roach clasp arm. Reduced to its simplest term, the bar clasp arm arises from the denture framework or a metal base and approaches the retentive undercut from a gingival direction. 