How can one prove that the primordium of one organ affects another and determines the direction of its development?

Embryonic induction is the interaction between parts of a developing organism in multicellular, invertebrates and all chordates. The phenomenon was discovered in 1901 when studying the formation of the primordium of the lens of the eye in embryos of amphibians.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.