Medical examiners provide additional scrutiny of the medical circumstances and cause of death and ensure deaths are appropriately referred to coroners.
Mae archwilwyr meddygol yn darparu prosesau craffu ychwanegol ar amgylchiadau meddygol ac achosion marwolaethau ac yn sicrhau bod marwolaethau'n cael eu cyfeirio'n briodol at grwneriaid.