This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Plastic & Reconstructive Surgery, Subject name: Surgery
Lines of Blaschko represent: 
Select and explain. 
A. Lines along lymphatics, B. Lines along blood vessels, C. Lines nerves, D. Lines of development
D: Lines of development
Answer: D: Lines of development 
Explanation: Ans. (d) Lines of developmentBlaschko's lines reflect cell migration during embryogenesis of the skin. Nevi cluster along these lines