Poroscopy in a forensic lab involves which of the following?
Poroscopy is the term applied to a specialized study of pore structure found on papillary ridges of skin as a means of identification. It comes under level 3 detail of identification and hence is more reliable and accurate. It is a fuher study of fingerprints described by Locard. There are plenty of micropores in between the papillary ridges of the skin, which are openings of sweat glands. Ref: Textbook of Forensic Medicine and Toxicology by Nagesh Kumar Rao, Page 100
Counting the whorls in the fingerprints
Counting pores of sweat glands
Counting pores of sebaceous glands
Counting number of papillary ridges