Category: N

  • Nunc pro tunc

    Acts permitted to be performed after they should have been performed and given retroactive effect.  

  • Numorphan

    A commercial preparation of oxymorphone.  

  • Null theory

    A theory of pornography’s effects that holds that pornography neither stimulates nor depresses sexual behavior, catharsis theory; modeling theory.  

  • Nullisomic

    A diploid cell or organism lacking both members of a chromosome pair.  

  • Nuisance

    A continuous disruption or misuse of property or social activity that prevents the normal function of a community Any noxious substance, accumulating in refuse or as dust or effluent, that is deemed to be injurious to health or offensive. It can also include dwellings, work premises, or animals. Anything that causes inconvenience, annoyance, or disturbance…

  • Nudism

    The social practice of some people who prefer to be nude rather than clothed. Often erroneously linked with exhibitionism is considered by some to be a sexual variance. In psychiatry, a morbid desire to remove clothing.  

  • Nucleus basalis

    A group of large cell bodies found just below the basal ganglia and containing acetylcholine. These cells send impulses to the cerebral cortex. A loss of these neurons and a subsequent reduction in the amount of acetylcholine is common in people with Alzheimer’s disease.  

  • Nucleoplasm

    The protoplasm composing the nucleus of a cell.  

  • Nuclein

    Material from the cell nucleus containing nucleic acid and protein. The breakdown product of the nucleoproteins of chromosomes.  

  • Nuclear membrane

    The outer bounding membrane of the nucleus. The two-layered membrane surrounding the chromosomes of a cell. The membrane has pores and its outer layer is continuous with the endoplasmic reticulum of the cell.