Über Entwickelungsgeschichte der Thiere

If Birds Studied Man

Let us only imagine that birds had studied their own development and that it was they in turn who investigated the structure of the adult mammal and of man. Wouldn't their physiological textbooks teach the following? 'Those four and two-legged animals bear many resemblances to embryos, for their cranial bones are…

Dec 14, 2011 1

• biology
• embryology
• fetal development