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. 1983 Apr;4(2):233-52.
doi: 10.1007/BF00712033.

Junctional feet and particles in the triads of a fast-twitch muscle fibre

C Franzini-Armstrong, G Nunzi

Junctional feet and particles in the triads of a fast-twitch muscle fibre

C Franzini-Armstrong et al. J Muscle Res Cell Motil. 1983 Apr.

Abstract

Structural details of junctional feet in triads of fish muscle are described. These feet have a less dense central core and contact both sarcoplasmic reticulum and T-tubule membranes at tetragonally disposed sites. The distribution of intramembraneous particles differs at the junctional T-membrane, and the junction is asymmetric.

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