Category: C

An enzyme that hydroxylates phenylalanine. Deficient concentrations of the enzyme are a potential cause of phenylketonuria.  

A class of antibiotics with a broad spectrum of action against gram-positive, gram-negative, and anaerobic germs. The carbapenems include imipenem and meropenem. A category of beta-lactam antibiotics possessing a wide range of effectiveness against various bacterial infections. These antibiotics are commonly regarded as the last line of defense in treatment.  

A carbon ion with a negative electrical charge.    

A chemical combination of carbon dioxide and hemoglobin.  

A class of broad-spectrum antibiotic drugs, derived from cephalosporins, that resist degradation by bacterial beta-lactamases. One drug in this class is loracarbef.  

A plexus of dilated veins around the umbilicus, seen in patients with portal hypertension (usually as a result of cirrhosis of the liver). It may be seen in newborns. A condition named after Medusa, who, in mythology, had a head of snakes, and this condition is highly descriptive of the appearance of enlarged veins that…

In atomic physics, the joining of an elementary particle such as an electron or neutron with the atomic nucleus.  

The display of spoken words as text on a television or a movie screen, to improve the comprehension of dialogue by hearing-impaired individuals.  

Capture or uptake by cells or tissues; said especially of chemicals or radioactive isotopes.  

A legal doctrine that holds that the legal responsibility for errors in a medical setting falls on the most highly trained or senior health care provider present at the time. This doctrine has been used to hold attending physicians or surgeons responsible for the negligent acts of the surgical or anesthesia team. The doctrine is…