Primum non nocere
The Latin words for medical slogan “First do no harm,” a fundamental medical precept of Hippocrates (ca. 460-ca.377 B.C.).
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- Principal investigator
In biomedical research, the person who directs a research project or program. The principal investigator (the PI) usually writes and submits the grant application, oversees the scientific and technical aspects of the grant, and has responsibility for the management of the research.
- Principal joints of the body
acromioclavicular ankle (tibia-fibula and talus) atlantoaxial atlantooccipital calcaneocuboid carpometacarpal elbow (humerus, radius, and ulna) femur and tibia hip bone and femur intercarpal (proximal carpal, distal carpal, and the two rows of carpal bones with each other) intermetacarpals intermetatarsals interphalangeal intervertebral joints knee (femur, tibia, and patella) manubristernal metacarpophalangeal metatarsophalangeal radioulnar ribs, heads of ribs, tubercles […]
- Prion
A small proteinaceous infectious disease-causing agent that is believed to be the smallest infectious particle. A prion is neither bacterial nor fungal nor viral and contains no genetic material. Prions have been held responsible for a number of degenerative brain diseases, including mad cow disease, Creutzfeldt-Jakob disease, fatal familial insomnia, kuru, and an unusual form […]
- Prion dementia
Gerstmann-Straussler-Scheinker syndrome.
- Prior authorization
In pharmacy, a cost-containment procedure that requires a prescriber to obtain permission to prescibe a medication prior to prescribing it. Also called prior approval.