To study the circumference of atrioventricular orifices of the Bangladeshi adult people, fifty postmortem hearts were collected, fixed in 10% formol saline and examined. In the present paper, the findings were compared between male and female values and also with the findings of Western and Bangladeshi researchers. Among fifty hearts, thirty-six hearts were collected from male and fourteen hearts were collected from female cadavers. The findings suggest that the atrioventricular orifices of the hearts examined were lower in circumferences as compared to those described in the available texts. The female values were slightly lower than the male values but on statistical analyses, they showed no significant difference (P > 0.05).