historical reviewanoximander 600 bc was the first


HISTORICAL REVIEW

  • Anoximander (600 B.C.) was the first western philospher who proposed the idea that "living creatures arose from the moist element".
  • Empedocles (500 B.C.) - The Greek philosopher suggested that foetus arose partially from male and partially from female semen.
  • Aristotle - Founder / Father of embryology. He described the ontogenic development of chick and many other animals. He wrote a book "De-generation Animalium" / "Historia Animalium" and proposed the "Theory of Entelechy" and given the term Embroyn. According this eggs is undivided and after fertilization division take place.
  • Fabricus & willeum Harvey (1578-1657) wrote "Exercitationes de generation animalium" and proposed the theory "Ex ova omnia", according this theory all animals originated from eggs.
  • Von Baer (1792-1876) - Father of modern embryology and observed mammalian eggs and coin the word sperm.
  • Leeuwenhoek (1677) - First observed sperm of man.
  • Wilhelm Roux (1850-1924) - Father of experimental embryology.
  • George Newport (1858) - Discovered fertilization in frog eggs.
  • Hertwig (1875) - Observed fusion of male and female pro nuclei.
  • R.V. Graff (1672) - Discovered Graffian folicle in mammalian ovary.
  • C. F. Wolf - Microscopic study chick embryo and proposed that embryo converts into simple form to complex form.
  • Schliedon & Schwann - He describe the cellular nature of sperm & ova.
  • Hartsoeker - He was spermist. He compared the sperm with seeds and egg compared with soil. Seeds get nutrition from soil and grwo. Eggs provide the nutrition to embryo.

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