Coated stent: A tiny cage to prop open an artery and prevent it from closing again, that is coated with a drug. The stent is inserted into a coronary artery, usually just after an angioplasty has been done, to keep open the vessel. The stent slowly releases the drug with which it is coated. Coated stents reduce the risk of artery re-narrowing (restenosis) after angioplasty. Also known as a medicated stent, drug-coated stent, drug-eluting stent, eluting stent.
Cobalamin: Also called vitamin B12. A vitamin important for the normal formation of red blood cells and for the health of the nerve tissues. Undetected and untreated vitamin B12 deficiency can lead to anemia and permanent nerve and brain damage. Pernicious anemia is a blood disorder caused by inadequate vitamin B12 in the blood. Patients […]
A substance derived from the leaves of the coca plant that is a bitter, addictive substance formerly used as an anesthetic. Safer anesthetics than cocaine were developed in the 20th century, although it is still used as an injectable anesthetic by some dentists. Synthetic alternatives, such as procaine, are used far more widely. Tragically, cocaine […]
- Coccidioidomycosis (CM)
Coccidioidomycosis (CM): A disease due to a fungus called Coccidioides immitis. About 40% of people infected with this fungus develop symptoms. Most often they have an influenza-like illness with fever, cough, headaches, rash, and myalgias (muscle pains). Of those people with symptoms, 8% have severe lung disease requiring hospitalization and 7% develop disseminated infection (throughout […]
Coccus: A bacterial cell that has the shape of a sphere. Coccus is part of the name of a number of bacteria, such as enterococcus, meningococcus, pneumococcus, staphylococcus, and streptococcus.
Pain in the coccyx (the tailbone). The coccyx is the small bone at the bottom of the spine very near the anus. The coccyx is made up of 3-5 rudimentary vertebrae and is the lowest part of the spinal column. The suffix -dynia comes from the Greek word “odyne” meaning pain.