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von Baer's laws

von Baer's laws proper noun: four rules to explain the observed pattern of embryonic development in different species: (i) The more general characters of a large group appear earlier in the embryo than the more special characters. (ii) From the most general forms the less general are developed, and so on, until finally the most special arises. (iii) Every embryo of a given animal form, instead of passing through the other forms, rather becomes separated from them. (iv) The embryo of a higher form never resembles any other form, but only its embryo.

Proper noun

von Baer's laws

  1. Four rules to explain the observed pattern of embryonic development in different species: (i) The more general characters of a large group appear earlier in the embryo than the more special characters. (ii) From the most general forms the less general are developed, and so on, until finally the most special arises. (iii) Every embryo of a given animal form, instead of passing through the other forms, rather becomes separated from them. (iv) The embryo of a higher form never resembles any other form, but only its embryo.

Origin of von Baer's laws

They were proposed by Karl Ernst von Baer.

Questions about von Baer's laws

What does von Baer's laws mean?
Von Baer's laws means four rules to explain the observed pattern of embryonic development in different species: (i) The more general characters of a large group appear earlier in the embryo than the more special characters. (ii) From the most general forms the less general are developed, and so on, until finally the most special arises. (iii) Every embryo of a given animal form, instead of passing through the other forms, rather becomes separated from them. (iv) The embryo of a higher form never resembles any other form, but only its embryo.
What part of speech is von Baer's laws?
Von Baer's laws is a proper noun.

Words near von Baer's laws in the dictionary

  1. vomodor
  2. vomodors
  3. voms
  4. vomworthy
  5. von Babo's law
  6. von Baer's laws
  7. von Daniken
  8. von der Heydt
  9. von Deventer
  10. von Economo disease
  11. von Economo neuron

Source and license

Adapted from Wiktionary: von Baer's laws (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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