Since the beginning of criminal investigation, police have sought an infallible means of human identification. Many criteria were used by for purpose of identification like race, sex, age, complexion, hair, deformity, scar, tattoo, footprint and occupation marks but fingerprint is found to be the most reliable. The present study was aimed to know distribution of various patterns of left hand thumb imprints among IInd year MBBS students. The present study was conducted on 81 Medical Students of Pramukh Swami Medical College, Karamsad (Gujarat) to determine patterns of left hand thumb imprints. 47 males and 34 females were included for the study and left hand thumb imprints were taken from all by using rolling on method. The most frequent thumb imprint pattern was loop in males and whorls in female. Overall, almost equal distribution of loops and whorls pattern was observed. All cases of thumb imprints were matched.
Thumb imprint, Loop, Whorl, Arch, Identification
