Some observations on the histology of cold‐shortened muscle

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Abstract
Summary. Changes in the histology of muscles subject to temperatures just above freezing‐point while in the pre‐rigor condition are described. Observations are based on the study of sectioned tissue by optical and electron microscopy, and by scanning electron microscopy. the presence of ‘active’ and ‘passive’ fibres is noted. These are defined by their contractile state. the appearance of the surface membrane of the active fibres is also described and its influence on the texture of cold‐shortened muscle as meat is discussed.