A fracture in which a bone is broken, splintered, or crushed into a number of pieces.
- Common acute lymphocytic leukemia antigen
Common acute lymphocytic leukemia antigen: (CALLA) A cell surface enzyme with neutral metalloendopeptidase activity that serves as a marker for the common form of ALL (acute lymphocytic leukemia) as well as for Burkitt lymphoma and follicular germinal center lymphoma. CALLA is normally present on the surface of early lymphoid cells as well as on a […]
- Common bile duct
Common bile duct: The duct that carries bile from the gallbladder and liver into the duodenum (upper part of the small intestine). The common bile duct is formed by the junction of the cystic duct, from the gallbladder, and the common hepatic duct, from the liver.
- Common cold
A contagious viral upper respiratory tract infection. The common cold can be caused by many different types of viruses, and the body can never build up resistance to all of them. For this reason, colds are a frequent and recurring problem. Going out into cold weather has no effect on causing a cold. Antibiotics do […]
- Common hepatic duct
Common hepatic duct: The duct formed by the junction of the right hepatic duct (which drains bile from the right half of the liver) and the left hepatic duct (which drains bile from the left half of the liver). The common hepatic duct then joins the cystic duct coming from the gallbladder to form the […]
- Commotio cordis
Commotio cordis: Sudden cardiac arrest from a blunt, nonpenetrating blow to the chest. The basis of the cardiac arrest is ventricular fibrillation (a chaotically abnormal heart rhythm) triggered by chest wall impact immediately over the anatomic position of the heart. This can happen, for example, in sports such with baseballs, softballs, lacrosse balls, hockey pucks […]