Category: P

The theory that disease is caused by invading organisms.  

The origin or the course of development of a disease.  

Based on multiple regression techniques, a causal analysis developed in genetics and economics and now used extensively in sociology. The goal is to determine a fit of a particular causal ordering of variables with the relationships that exist in the investigator’s data set.  

Pertaining to the father.  

A drug that has been patented. A medicinal preparation which is made and sold under a trade name and is protected by law from being copied or sold by other manufacturers for a certain length of time after its invention. Drug or other therapeutic substance that carries a specific trademark and is available without a…

A congenital defect in which the foramen ovale fails to close.  

A congenital defect in which the ductus arteriosus fails to close. A congenital condition in which the ductus arteriosus does not close, allowing blood into the circulation without having passed through the lungs. The ductus arteriosus remains open after birth, allowing oxygenated blood back into the lungs through the foramen oval; characterized by thrill, fremitus,…

The small bone in front of the knee joint. Flat, triangular bone at the front of the knee joint; also called sesamoid bone and, colloquially, kneecap. The small, rounded bone situated at the front of the knee; also known as the kneecap. The lens-shaped bone that forms the kneecap. It is situated in front of…

The causative agent of tularemia.  

The bacterium that causes the bubonic plague. A gram-negative, facultatively anaerobic bacterium, varying in shape from rod-like to oval. It is the causative agent of bubonic and pneumonic plague in humans, rats, ground squirrels, and other rodents. The transmission occurs from rat to rat and from rat to human through the rat flea, and from…