释义 |
fat-free body mass
fat-free bod·y mass (FFM) (fat'frē bod'ē mas) Body mass, primarily of muscle and bone, devoid of storage fat; a theoretic entity that contains the small percentage of non-sex-specific essential fat equivalent to approximately 3% of body mass (located chiefly within the central nervous system, bone marrow, and internal organs). Synonym(s): lean body mass. AcronymsSeeFFBM |