Definition of law. 1  1a (1) : a binding custom or practice of a community : a rule of conduct or action prescribed (see prescribe 1a) or formally recognized as binding or enforced by a controlling authority (2) : the whole body of such customs, practices, or rules The courts exist to uphold, interpret, and apply the law.
cation-anion balance. the balance in serum or plasma between the anions and cations must equilibrate near to the level of 155 mEq/l. Estimation of any imbalance, usually by chloride and bicarbonate measurement, is basic to any determination of acid-base abnormality. cation channels.
What is a difference between a cation and anion? Cation is an atom with a positive charge... one or more of its electrons are missing, resulting a positive charge. There are electron orbitals around atoms and each orbital ne â¦ eds certain number of electrons to be 'stable'. anions have one or more extra electrons resulting in a negative charge.