Saline:Relating tosalt. As an adjective, "生理盐水" means "salty, containing salt." As a noun "saline" is a salt solution, often adjusted to the normal salinity of thehuman body.
Salt,inmedicine, is referring tosodiumchloride. Sodium chloride is commontablesalt and the salt concentrated in the earth and in seawater.
Certain concentrations of both sodium and chloride in thebloodareessentialfor normal body functions. Saline solutions are commonly used in medicine as fluid replacements to treat or prevent dehydration.
