A colonoscopy is done to examine the inside of a person’s large intestine, also known as the colon. This evaluation procedure is used by healthcare professionals in order to detect and diagnose gastrointestinal disorders in people.

Addison’s disease is a rare and chronic endocrine disorder that occurs when the adrenal glands are damaged, disrupting the production of cortisol and aldosterone hormones. Cortisol regulates stress in the body, while aldosterone helps balance sodium and potassium in the blood.

Acanthamoeba is a microscopic organism commonly found in soil, water, and other environments. While most species of acanthamoeba are harmless, some can cause infections in humans, leading to serious diseases.

Adenoid Cystic Carcinoma (ACC) is a tumor in the salivary glands. This rare type of cancer can also affect the mouth, throat, or other body parts, such as the sweat or tear glands.

An abscessed tooth is a painful condition caused by a bacterial infection. It occurs when a pocket of pus forms in the tooth or the surrounding gums due to an untreated cavity or injury.

Anthrax is an infectious disease primarily affecting animals. However, humans can contract it through direct or indirect contact with infected animals. While rare, the condition poses significant health risks. Caused by soil-based bacteria, the infection can be categorized into three main types:

An antinuclear antibody test (ANA) is a blood examination to detect the presence of antinuclear antibodies in the blood. The immune system makes immunoglobulins to fight against antigens like bacteria, viruses, and other foreign substances.

Antiphospholipid syndrome (APS), also called Hughes syndrome, is an autoimmune condition. The disorder occurs when the immune system makes antibodies that attack the cells in the body, contributing to the development of blood clots in the arteries and veins.