Hirschsprung disease

Hirschsprung disease: A congenital abnormality (birth defect) of the bowel in which there is absence of the ganglia (nerves) in the wall of the bowel. Nerves are missing starting at the anus and extending a variable distance up the bowel. This results in megacolon...

Empyema

Empyema: Empyema is a condition in which pus and fluid from infected tissue collects in a body cavity. The name comes from the Greek word empyein meaning pus-producing (suppurate). Empyema is most often used to refer to collections of pus in the space around the lungs...

Parabiosis

Parabiosis: surgical joining of the blood supply of two living organisms. (The origin of the word is from the Greek para, meaning ‘alongside’, and bios, meaning ‘life’.) Parabiosis is a technique used in physiology research to test how...

Brittle diabetes

Brittle diabetes: A type of diabetes when a person’s blood glucose (sugar) level often swings quickly from high to low and from low to high. Also called “unstable diabetes” or “labile diabetes.” MedTerms (TM) is the Medical Dictionary of...

Pulmonary embolism

Pulmonary embolism: Sudden closure of a pulmonary artery or one of its branches, caused by a blood-borne clot or foreign material that plugs the vessel. MedTerms (TM) is the Medical Dictionary of MedicineNet.com.We Bring Doctors’ Knowledge To You Via:: Daily...

Ten-day measles

Ten-day measles: An acute highly contagious viral disease with fever, runny nose, cough, red eyes, and a spreading skin rash, the measles (also known as rubeola) is a potentially disastrous disease. It can be complicated by ear infections, pneumonia, encephalitis...