Category: N

  • Near-infrared spectroscopy

    A method of diagnosis used to assess the level of oxygen saturation in tissues.  

  • Naturopathic physicians

    Medical professionals who specialize in the management of ailments through a diverse range of natural approaches and remedies derived from plants.  

  • Nasal scraping

    Clinical investigation necessitates the acquisition of pathological specimens by gently scraping the inner lining of the nasal cavity using a specialized medical instrument.  

  • Nuclear radiation

    The emission of neutrons, gamma particles, and other particles from an atomic nucleus as a consequence of nuclear fission or nuclear fusion.  

  • Nuclear particle

    A constituent of the atomic nucleus, which can be either a proton or a neutron. It is also commonly referred to as a nucleon. Additionally, a particle discharged from an atomic nucleus, such as an alpha particle or a beta particle.  

  • Nuclear emulsion

    A specialized photographic emulsion crafted to detect and record individual pathways of ionizing particles, such as those employed in scan recording.  

  • N shell

    The fourth electron shell encircling the nucleus of an atom, housing electrons distinguished by the principal quantum number 4.  

  • North pole

    The extremity of a magnet from which magnetic lines of force emanate.  

  • Nonvisualization

    The incapacity to render an organ discernible on radiographic film or to capture the desired level of image clarity and sharpness.  

  • Nonscreen holder

    An x-ray film holder devoid of screens, specifically designed for nonscreen radiographic procedures.