The fine structure of brown adipose tissue. I. Cold-induced changes in the rat.
D000220:Adaptation, Biological; D000222:Adaptation, Physiological; D000273:Adipose Tissue / Q000473:pathology*; D002001:Adipose Tissue, Brown / Q000473:pathology; D000818:Animals; D003080:Cold Temperature / Q000009:adverse effects*; D003593:Cytoplasm / Q000473:pathology; D004781:Environmental Exposure; D006940:Hyperemia / Q000209:etiology; D050356:Lipid Metabolism; D008297:Male; D008854:Microscopy, Electron; D008928:Mitochondria; D051381:Rats; D013997:Time Factors