An atom or group of atoms that have a positive or negative electric charge due to a gain (negative charge) or loss (positive charge) of one or more electrons. Atoms with a positive charge are known as CATIONS; those with a negative charge are ANIONS.
D009330
Nebulizers and Vaporizers
Devices that cause a liquid or solid to be converted into an aerosol (spray) or a vapor. It is used in drug administration by inhalation, humidification of ambient air, and in certain analytical instruments.
Atomizers,Inhalation Devices,Inhalators,Inhalers,Vaporizers,Nebulizers,Vaporizers and Nebulizers,Atomizer,Device, Inhalation,Devices, Inhalation,Inhalation Device,Inhalator,Inhaler,Nebulizer,Vaporizer
D010783
Photometry
Measurement of the various properties of light.
Photometries
D006801
Humans
Members of the species Homo sapiens.
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012964
Sodium
A member of the alkali group of metals. It has the atomic symbol Na, atomic number 11, and atomic weight 23.
Sodium Ion Level,Sodium-23,Ion Level, Sodium,Level, Sodium Ion,Sodium 23
D012982
Sodium, Dietary
Sodium or sodium compounds used in foods or as a food. The most frequently used compounds are sodium chloride or sodium glutamate.