white fiber

white fi·ber

1. white mammalian muscle fibers; greater in diameter than red fibers they have less myoglobin, sarcoplasm, and mitochondria, and contract more quickly; 2. Synonym(s): collagen fiber

white fi·ber

(wīt fī'bĕr) 1. White mammalian muscle fibers; larger in diameter than red fibers, they have less myoglobin, sarcoplasm, and mitochondria, and contract more quickly. 2. Synonym(s): collagen fiber.