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![[Figure 1]](bon5001fig1mag.jpg)
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Figure 1
(a) Anatomy of skeletal muscle. (b) The cross-sectional packing of skeletal myofilaments exhibiting the hexagonal lattice structure with lattice planes 1,0 (blue dashed lines) and 1,1 (red dotted lines). The unit cell is shown in green. (c) Typical SAXS pattern of muscle with visible equatorial features corresponding to the interplanar distances in part (b). M3 is the third meridional reflection arising from the quasi-helical arrangement of myosin heads protruding from the cylindrical thick filament structure (Ma & Irving, 2022  ). (d) Scattering intensity distribution of myofibril arrangement in the meridional (mer) and equatorial (eq) directions, obtained by integrating intensities in part (c), as a function of scattering vector, q. (e) The lateral structural organization of a collagen fibril in perimysium, made of individual collagen molecules. (f) A typical collagen SAXS pattern showing several orders of meridional peaks corresponding to the D-period noted in part (e). The broad equatorial scattering, perpendicular to the meridional direction, containing information about the transverse direction, including fiber diameter. (g) Scattering intensity distribution of collagen fiber arrangement in the meridional (mer) and equatorial (eq) directions, obtained by integrating intensities in part (f) as a function of scattering vector, q. The green highlighted regions of the plots in parts (d) and (g) have been utilized for segmentation of regions, which is explained further in Section 2.3.1. |
![[Figure 1]](bon5001fig1.jpg)
 | JOURNAL OF SYNCHROTRON RADIATION |
ISSN: 1600-5775
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