Ontogenesis. Scientific film. (educational video of the USSR)
This and other videos from the site - http://www.neuro-online.ru
"Tsentrnauchfilm", Association of educational films. The film was made by: V. Tyurin, A. Neifakh, O. Khoperskaya and others. Part 1, 1987.
Topic: "Reproduction and individual development of organisms" (6-11 grades).
All stages of ontogenesis - individual development of an organism - are considered. Embryonic development (from fertilization, formation of a zygote, cleavage to neurulation, development of the brain and spinal cord). Postembryonic development using the example of a frog (from a tadpole to an adult). Aging of the organism in mammals is shown.