Medical

Lightning Injuries Definition Lightning injuries are a major source of injury and death from the environment, lightning is one of the top three causes of…

About Infection Definition Infection is the presence of microorganisms causing damage to body tissues, usually in the presence of acute inflammation (pain, swelling, redness, heat,…

Alveolar Process Definition Alveolar process is the ridge on the surfaces of the upper and lower jaws containing the tooth sockets. It is also called…

Periodontitis Definition Periodontitis is a serious gum infection that damages the soft tissue and bone that supports the tooth. The word “periodontitis” literally means “inflammation…

Autoimmune Hepatitis Definition Autoimmune hepatitis (AIH) is a chronic condition and can result in cirrhosis (scarring) of the liver and (ultimately) liver failure. AIH is…

About Lyme Disease Definition Lyme disease is a disease caused by the bacterial spirochete Borrelia burgdorferi, transmitted by deer ticks and characterized initially by a…

Autoimmune Disease Definition Autoimmune disease is a disease in which impaired function and the destruction of tissue are caused by an immune reaction in which…

Concussion Definition Concussion is an injury to a soft structure, especially the brain, produced by a violent blow or impact and followed by a temporary,…

Encephalitis Definition Encephalitis is an inflammation of the brain tissue. It is different from meningitis, which is defined as inflammation of the layers of tissue,…

Rett Syndrome Definition Rett syndrome (RTT) is a rare, severe neurological disorder that affects mostly girls. Girls with the syndrome show normal development during the…

Hematuria Definition Hematuria is a condition where there is blood in the urine. If this happens, it may be nothing to worry about or it…

Costello Syndrome Definition Costello syndrome is a disorder that affects many parts of the body. Its condition is characterized by delayed development and intellectual disability,…