Aim to obtain new data on the anatomy of the mandible of a human fetus aged 1923 weeks. Material and methods. The object of the study was 40 mandibles of human fetuses of both sexes aged from 19 to 23 weeks. https://www.ngetikin.com/quick-offer-1-Gallon-Universal-Primer-Pro-Deep-Penetrating-Primer-big-deal/