a Related Biological Terms

Relating to the arteries, blood vessels carrying blood away from the heart. All arteries except the pulmonary artery carry oxygenated blood.

X-ray visualization of the arterial lining after injection of radiopaque dye into a specific artery or into the bloodstream. It aids in the diagnosis of vascular occlusions and of athrosclerotic plaques, as well as of other cardiovascular abnormalities.

Small, elastic blood vessel that arises from arteries and leads into capillaries.

Large, elastic blood vessel that leaves the heart and branches into arterioles.

A disease characterized by joint inflammation. Joint injury can be caused by trauma or by the wear and tear of aging. The general term arthritis includes over 100 kinds of diseases, most of which last for life. In many forms of arthritis, injury is caused by the uncontrolled inflammation of autoimmune disease, in which the immune system attacks the body's own tissues. Common kinds of arthritis include osteoarthritis and rheumatoid arthritis.

joint

Animals with three segmented body regions, a jointed exoskeleton, blood in body cavities, and a complex nervous system. Includes spiders and insects.

something that is not typical of the actual substance, but a result from a process like cytological processing, crystal formation, etc. Example: Some crystal structures show dimerization of the protein, which sometime is an artifact of crystal formation.

A reproductive technology in which semen is collected from males, then used in fresh or frozen form to Breed females.

Selective breeding.