Brown and White Fats: Development in the Hamster

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Science  22 Sep 1967:
Vol. 157, Issue 3795, pp. 1449-1451
DOI: 10.1126/science.157.3795.1449


Sites occupied by multilocular brown fat in the adult hamster are occupied by unilocular cells in very young animals. Immature brown fat cells are laid down in the unilocular cell matrix at 3 to 5 days of age. White fat in the hamster does not develop from cells closely resembling mature brown fat.