osmolality
[/ɑːzmoʊˈlæləti/]
nounfemininepl: osmolalidades
osmolalidade
1. A measure of the number of solute particles in a kilogram of solvent, expressed in osmoles per kilogram of water; a property of solutions that depends on the concentration of dissolved particles regardless of their nature.
The osmolality of blood plasma is normally maintained between 280 and 300 mOsm/kg.
A osmolalidade do plasma sanguíneo é normalmente mantida entre 280 e 300 mOsm/kg.
2. In medical and clinical contexts, a measure used to assess hydration status and electrolyte balance in patients.
Serum osmolality tests are commonly performed to diagnose dehydration and electrolyte disorders.
Os testes de osmolalidade sérica são comumente realizados para diagnosticar desidratação e distúrbios eletrolíticos.
3. The total concentration of all solutes in a solution, relevant to the colligative properties of solutions.
Changes in osmolality affect the movement of water across cell membranes through osmosis.
As mudanças na osmolalidade afetam o movimento da água através das membranas celulares por osmose.
Osmolality is a technical term primarily used in medical, clinical, and scientific contexts in both Brazil and the USA. It is essential in medical education and practice for understanding fluid and electrolyte balance. In Brazil, the term is used identically in Portuguese-language medical literature and clinical practice, particularly in nephrology, endocrinology, and intensive care units.
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