This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Human identification, Subject name: Forensic Medicine
Locord's system is: 
Select and explain. 
A. Podography, B. Dactylography, C. Poroscopy, D. Cheiloscopy
C: Poroscopy
Answer: C: Poroscopy 
Explanation: PoroscopyQ Microscopic study of poresQ formed by mouths of ducts of sub epidermal sweat glandsQ. The arrangement of pores are unique to each individual. Described by LocardQ. Dactylography - Study of finger prints Cheiloscopy - Study of lip prints Podography - Study of foot prints