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': 'Which statement is false: \nSelect and explain. \nA. The cells in the centre of the enamel organ are densely packed to form enamel knot., B. Enamel cord is the vertical extension of enamel navel., C. The Enamel cord extends to meet the outer enamel epithelium and form enamel septum., D. None.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Enamel Knot: The cells in the center of the enamel organ are densely packed to form enamel knot.\nEnamel cord: It is the vertical extension of the enamel knot.\nEnamel Septum: The enamel cord extends to meet the outer enamel epithelium and form enamel septum.', 'role': 'assistant'}]