This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Dental
What are these horizontal lines called? 
Select and explain. 
A. Lymphatic development, B. Dermatomes, C. Blaschko lines, D. Vascular development
C: Blaschko lines
Answer: C: Blaschko lines 
Explanation: These lines don't supply nerve supply and Lymphatic Drainage but supply SKIN