Cheiloscopy And Blood Groups: Aid In Forensic Identification
Abstract:-
Lips are two fleshy folds surrounding oral orifice. They are lined externally by skin and internally by mucosa. The skin is continuous with mucosa at transitional or vermilion border, reddish zone covered by thin keratinized epithelium. Line of contact between the lips (oral fissure) lies just above cutting edges of upper incisor teeth and on each side labial commissure form angle of mouth usually near first premolar tooth. Epithelium of vermilion area exhibits less well-developed