developmental biology, von Baer's laws of embryology (or laws of development) are four rules proposed by Karl Ernst von Baer to explain the observed...
15 KB (1,761 words) - 17:13, 9 June 2024
is due to fusion of an egg and sperm cell. von Baer formulated what became known as Baer's laws of embryology: General characteristics of the group to which...
29 KB (2,897 words) - 09:34, 7 June 2024
Evolutionary embryology is the expansion of comparative embryology by the ideas of Charles Darwin. Similarly to Karl Ernst von Baer's principles that...
44 KB (6,363 words) - 20:09, 1 August 2024
Recapitulation theory (redirect from Recapitulation in embryology)
around 1830, notably by Robert Edmond Grant, but was opposed by Karl Ernst von Baer's ideas of divergence, and attacked by Richard Owen in the 1830s. Ernst...
25 KB (2,919 words) - 13:35, 14 August 2024
Haeckel's theory of recapitulation, von Baer enunciates his most notorious laws of development. Von Baer's laws state that general features of animals...
29 KB (3,745 words) - 18:34, 12 August 2024
methods of hardening, sectioning and staining. Much of the progress which embryology made during the middle and latter half of the 19th century are associated...
12 KB (1,386 words) - 17:21, 28 May 2024
Ernst Haeckel (redirect from Ernst Heinrich Philipp August von Haeckel)
on a linear chain of being, and Karl Ernst von Baer's opposing view, stated in von Baer's laws of embryology, that the early general forms diverged into...
72 KB (8,134 words) - 06:57, 20 August 2024
processes, including ciliary function. Today, von Baer's legacy inspires ongoing research into embryology and developmental biology, particularly in understanding...
35 KB (2,499 words) - 18:40, 12 July 2024
processes evolved. The field grew from 19th-century beginnings, where embryology faced a mystery: zoologists did not know how embryonic development was...
57 KB (6,279 words) - 17:31, 21 May 2024
von Baer lays the foundations of the science of comparative embryology with his book Über Entwickelungsgeschichte der Thiere. He publishes von Baer's...
11 KB (1,105 words) - 16:41, 14 August 2024