This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Stroma of cornea is developed from \nSelect and explain. \nA. Neural ectoderm, B. Surface ectoderm, C. Mesoderm, D. Neural crest', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Stroma of cornea develops from neural crest cells derived (secondary) mesenchyme. The adult cornea has developmentally three layers: Outer epithelium layer (surface ectoderm) Middle stromal layer of collagen-rich extracellular matrix between stromal keratocytes (neural crest) Inner layer of endothelial cells (neural crest). Ref - medscape.com', 'role': 'assistant'}]