Category: J

  • Jactitation

    The action of constantly moving the body around in a restless way, especially because of mental illness. Tossing, twitching, and jerking movements of a person with a severe illness. Restless tossing and turning of a person suffering from a severe disease, frequently one with a high fever. Intense agitation often observed in critically ill patients.…

  • Jacquemier’s sign

    A sign of early pregnancy in which the vaginal mucosa becomes slightly blue due to an increased amount of blood in the arteries [After Jean Marie Jacquemier (1806-79), French obstetrician]. Bluish or purplish coloration of the mucous membrane lining of the vagina that occurs in early pregnancy. A bluish or purplish coloration of the membrane…

  • Jab

    An injection or inoculation (informal).  

  • Joint underwriting association

    An association consisting of all insurers authorized by a State to write a certain kind of insurance, usually some form of liability insurance such as malpractice insurance. Such associations may be required or voluntarily agree to write malpractice insurance on a self-supporting basis. ‘I hey may write such insurance on an exclusive basis, which means…

  • Joint purchasing agreement

    A formal agreement among two or more health facilities or programs to purchase professional services, equipment or supplies. The agreements simplify purchasing or result in economies of scale intended to lower costs to the programs. The purchased services or supplies may be shared or simply distributed among the programs.  

  • Juvenile rheumatoid arthritis

    A disease of the joints similar to adult rheumatoid arthritis except that it occurs in joints that are undergoing growth. Arthritis is a chronic inflammatory disease of the joints and is a general term that refers to more than 100 rheumatic diseases. The most common type of arthritis in children is called juvenile rheumatoid arthritis…

  • Juvenile paresis

    General paresis in children who are usually of congenital origin.  

  • Juvenile onset diabetes

    Type I diabetes mellitus. An abrupt onset of type 1 diabetes mellitus, which necessitates insulin for management, occurring during childhood or adolescence.  

  • Juvenile era

    The first part of the school year when children first begin to interact with a diversity of adults besides their parents and to spend a large proportion of their time with their peers, prepubescence.  

  • Juvenile delinquency

    Behavior that is legally prohibited and manifest by persons who are under the legal age.