diminishing thermogenic demands required to defend body temperatures. UCP1 loss in other species (e.g. pangolins, armadillos, sloths and anteaters) may be linked to selection pressures favouring low metabolic rates. See also BMP7 Irisin Orexin PRDM16 References External links – "Connective Tissue: multilocular (brown) adipocytes" Connective tissue