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
Lines of Blaschko&;s are along 
Select and explain. 
A. Lymphatics, B. Nervs, C. Developmental, D. Blood vessels
C: Developmental
Answer: C: Developmental 
Explanation: Blaschko&;s lines, are lines of normal cell development in the skin. These lines are invisible under normal conditions.