A substance that blocks the effect of the sun’s harmful rays. Using lotions that contain sunscreens can reduce the risk of skin cancer, including melanoma.
- Super spreader
A highly infectious person who spreads the agent of an infectious disease to many other people. The historic prototype of the super spreader was Typhoid Mary. The term has also been applied to some persons with SARS (severe acute respiratory syndrome) who seemed to have inadvertently spread SARS to an unusually large number of other […]
This was a popular term for the next generation of analgesics. They were drugs that had the multiple positive effects of aspirin, but not have the negative effects such as intestinal bleeding. Aspirin binds and inhibits two isoforms of the enzyme Cyclooxygenase, COX-1 and COX-2. Super aspirins bind and inhibit COX-2 only. Cox-2 inhibitors (refecoxib […]
An informal term for a bacterium that has become resistant to antibiotics usually used to treat it, as methicillin-resistant Staphylococcus aureus (MRSA) or any multiresistant bacterium. “A drug-resistant superbug that spreads by skin contact is infecting thousands of people across the US and may now have reached Europe.” (New Scientist March 5, 2003)
Arrogant, haughty or disdainful. From the raising of an eyebrow (“supercilium” in Latin). Supercilious is an example of a word derived from anatomy that has lost its anatomic meaning but been retained for its figurative sense.
An extremely rare situation in which a pregnant woman becomes pregnant a second time with another (younger) fetus. Superfetation is characterized by the fertilization and the implantation of a second oocyte in a uterus already containing the product of a previous conception. Superfetation is different from the process of twinning or multiple gestation and involves […]