umls-concept:C0678121 | skos:definition | MSH: Heat production, or its measurement, of an organism at the lowest level of cell chemistry in an inactive, awake, fasting state. It may be determined directly by means of a calorimeter or indirectly by calculating the heat production from an analysis of the end products of oxidation within the organism or from the amount of oxygen utilized.,CSP: heat production, or its measurement, of an organism at the lowest level of cell chemistry in an inactive, awake, fasting state; may be determined directly by means of a calorimeter or indirectly by calculating the heat production from an analysis of the end products of oxidation within the organism or from the amount of oxygen utilized. | lld:umls |