(800)222-2114. Claims: (877)224-5677. American Commerce Insurance Company is part of the MAPFRE Insurance group. They originated in Massachusetts as The Commerce Group, Inc. (CGI), founded in the town of Webster, Massachusetts in 1972. They are the largest private passenger automobile insurer, homeownersâ insurer and commercial automobile insurer in Massachusetts.
FREE subscriptions for doctors and students... You have 3 open access pages. The oblique fissures divide the lung on both sides into upper and lower lobes. The upper lobe on the right is further subdivided by the horizontal fissure into definitive upper lobe - above the fissure - and middle lobe - below the fissure. The fissures extend from the surface of the lung to its hilum. Along this route, visceral pleura apposes visceral pleura.
By Mayo Clinic Staff. Print. An anal fissure is a small tear in the thin, moist tissue (mucosa) that lines the anus. An anal fissure may occur when you pass hard or large stools during a bowel movement. Anal fissures typically cause pain and bleeding with bowel movements. You also may experience spasms in the ring of muscle at the end of your anus (anal sphincter).