IN SIGHT OF THE GIANT STEPS

Duration: 17 min

Year Published: 1937

Creator: Department of the Army (Department of Defense)

Color: B&W

Sound: Optical sound

Description: Portrays the ovulation, fertilization and early development of the mammalian egg. Includes scenes of spermatozoa attacking the ovum, and time-lapse microphotographs of cell division in the fertilized egg.