This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
[{'content': 'Keratin filaments are joined to each other by \nSelect and explain. \nA. Desmosomes, B. Merkel cells, C. Lamellar bodies, D. Filaggrin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Keratohyaline granules in the granular layer contain Filaggrin molecules that bind keratin filaments to each other.', 'role': 'assistant'}]