ABSTRACT
Background: Fingerprints and palmprints form avaluable physical evidence in the scenes of crime.Palmprint ridge density is a vital tool used for personidentification during forensic investigation. Palmprintsare found impressed on the surface when a persontouches a surface. Aim and Objectives: This researchwas aimed to investgate the ridge density on six areas ina palmprint on both sides among Malaysian Tamils forperson identification. Material and Methods: Thisstudy sample consisted of 280 adult Malaysian Tamilsincluding140 males and 140 females. By inkingtechnique 560 palmprint samples were collected fromthe subjects for sexual dimorphism analysis. The sixprominent areas on the palmprints were chosen thatincluded Thenar region (P1), Hypothenar region (P2),Triradius of second digit (P3), Triradius of fifth digit(P4), Triradius of third digit (P5) and Triradius of fourthdigit (P6) for examination. Results: The resultsrevealed that the mean palmprint ridge density wassignificantly greater in females (10.26-12.03) thanmales (9.57-11.26) in all the designated areas (P1 toP6). The ridge density in the left hand was not themirror image of right hand, showing the bilateralasymmetry. Conclusion: The study findings revealedthat palmprint ridge density was sexually dimorphicamong Malaysian Tamil population.
ABSTRACT
Ultrasonography is a method of choice for imaging visceral organs in animals. The aim of the study was to determine the ultrasonographic characteristics of the thyroid gland in healthy dogs and to correlate the relationships of thyroid gland size and volume with body weight. A total of 24 apparently healthy dogs of different breeds were grouped into four groups (each with 6 animals) based on their body weight viz., less than 7 Kgs, 7-15 kgs, 15-30 kgs and more than 30 kgs. Each thyroid lobe was ultrasonographically observed in both transverse and longitudinal planes. The maximal length, width and height of each lobe and thyroid volume were measured. The data were analyzed statistically. In all the groups, thyroid lobes were round to oval in transverse images and fusiform or elliptical in longitudinal images with the smooth capsule. The parenchyma of the thyroid lobes had a homogenous echogenic pattern. There was no significant difference observed between the mean height, length, width and volume of both the lobes of the thyroid gland with body weight among the four groups at 5% level of significance (p< 0.05)