A blood test done to find out if the body is producing antinuclear antibodies. Capillaries form networks throughout the body's organs and tissues. They open and close in response to the organs' needs for oxygen and nutrients. The tissue that supports body structures and holds parts together. Some parts of the body, such as tendons and cartilage, are made up of connective tissue.
Connective tissue is also the basic substance of bone and blood vessels.
Some of these diseases are caused by a malfunctioning of the immune system. Connective tissue diseases are fairly common and include systemic lupus erythematosus, rheumatoid arthritis, scleroderma, polymyositis, and dermatomyositis. Connective tissue diseases can change blood proteins, which changes how quickly red blood cells settle out of unclotted blood to the bottom of a test tube. A condition that occurs when tissue dies. Tissue death is usually caused by a loss of blood supply.