One of the mysteries of the English language finally explained.
A dark-coloured adipose tissue with many blood vessels, involved in the rapid production of heat in hibernating animals and human babies.
- ‘Unlike normal white fat that stores surplus energy, brown fat generates heat in response to cold or excess caloric intake.’
- ‘Scientists have measured higher rates of bodily heat production only in the flight muscles of some insects and, possibly, the brown fat of hamsters.’
- ‘They may be composed purely of mature adipocytes, or of brown fat, or of adipocytes in combination with mature smooth muscle and vascular elements (angiomyolipoma).’
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