The transverse tubular (T) system of rat cardiac muscle fibers as demonstrated by tannic acid mordanting.
D000818:Animals; D047348:Hydrolyzable Tannins; D008854:Microscopy, Electron; D008870:Microtubules / Q000648:ultrastructure; D009206:Myocardium / Q000648:ultrastructure*; D051381:Rats / Q000033:anatomy & histology*; D012508:Sarcolemma / Q000648:ultrastructure; D013634:Tannins
D047348:Hydrolyzable Tannins; D013634:Tannins