This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cailage tissue & cell junctions, Subject name: Anatomy
[{'content': 'True about Intercalated Disc is :- \nSelect and explain. \nA. Appear as straight bands, B. Shows Gap Junctions, C. Stain dark to Hematoxilin, D. All of above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The Cardiac Muscle develops by joining the cells end to end through anchoring cell junctions called the Intercalated Discs that form the distinguishing feature of Cardiac Muscles. These Dark Staining discs found at irregular intervals and represent the specialized junctional complexes between the cardiac muscles. They appear as Straight bands or Staggered across individual fibers. Inter-digitating intercalated discs are composed of Fascia adherens, Desmosomes, and Gap Junctions.', 'role': 'assistant'}]