Don W. Fawcett (2011) CIL:36059, Felis catus, cardiac muscle cell. CIL. Dataset

Figure 427 from Chapter 16 (Cytoplasmic matrix and cytoskeleton) of 'The Cell, 2nd Ed.' by Don W. Fawcett M.D. Papillary muscle of cat heart shows the cross-banded organization of striated muscle. Myosin filaments compose the uniform dark A bands. The lighter I bands of actin filaments are bisected by the dense Z line. A PDF copy of the accompanying chapter is available on the ASCB’s BioEDUCATE website.

图427，源自《细胞》第二版第16章（细胞质基质与细胞骨架），由Don W. Fawcett M.D.所著。图中展示了猫心脏乳头肌的带状肌组织结构。肌球蛋白纤维构成了均匀的暗色A带。明亮的I带中的肌动蛋白纤维被致密的Z线所横截。该章节的PDF副本可在ASCB的BioEDUCATE网站上获取。