non-shivering thermogenesis

(noun)

The process of heat production in organisms. Non-shivering thermogenesis usually occurs in brown adipose tissue (brown fat) that is present in human infants and hibernating mammals.

Related Terms

  • respiratory distress syndrome
  • surfactant

Examples of non-shivering thermogenesis in the following topics:

  • Adjustments of the Infant at Birth

    • They are naked, wet, and have a large surface area to mass ratio, with variable amounts of insulation, limited metabolic reserves, and a decreased ability to shiver.
    • Physiologic mechanisms for preserving core temperature include vasoconstriction (a decrease of blood flow to the skin), maintaining the fetal position (a decrease of the surface area exposed to the environment), jittery large muscle activity (to generate muscular heat), and non-shivering thermogenesis.
    • Non-shivering thermogenesis occurs in brown fat.
  • Factories, Working Women, and Wage Labor

    • As the nation deepened its technological base, artisans and craftsmen were made obsolete through the process of deskilling, as they were replaced by non-specialized workers.
    • In the winter, workers often shivered in the cold.
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