Saline solution

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Definition

noun, plural: saline solutions

A salty solution prepared by dissolving sodium chloride (table salt, NaCl) by water


adjective: saline

Of, pertaining to, or relating to a saline solution; salty


Supplement

A solution is a homogenous mixture in which the particles of one or more substances are distributed uniformly throughout another substance. It is comprised basically of a dissolving agent called solvent and the dissolving material called the solute. In a saline solution, the solute is the sodium chloride and the solvent is water. Saline solution has several uses in chemical, industrial, and medical uses. In medicine, the saline solution, or simply saline, is used in a variety of ways such as flushing wounds and skin abrasions, nasal irrigation, intravenous administration, maintaining contact lenses, and eye drops.

A saline solution may be prepared depending on the concentration of the salt (i.e. low, normal, or high concentration). Normal saline solutions (i.e. especially the sterile with normal salt concentration) are the ones most commonly used in medicine. It is prepared by dissolving 9.0 g of salt per liter (i.e. 0.90%).


Word origin: Latin sal ‎(“salt”)

See also:

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