An educational film, a movie through a microscope, in two parts. Within minutes after the egg drops in the water, fertilization occurs and contractions start. Soon, in a fertilized egg, we see the germinal disc divide into two blastomeres. Divisions continue; contractions re-occur at the cap as it covers the egg. Title cards in French tell us what to watch for. Muscular movements and circulation appear; the heart beats. In... see more