Usage examples (14)

• Baer's law that the characters of the large groups appear earlier in embryogeny than the characters of the lesser classificatory divisions.
• The primitive Annelid mouth, however, does not appear in the embryogeny of Vertebrates, for the great development of the brain crowds it out of existence.
• Opinions differed considerably as to the primitive mode of origin of the two-layered sac which was very generally admitted to be of constant occurrence in early embryogeny.
• The number of stages in embryogeny is proportionate to the complexity of the adult; the younger the embryo the simpler its organs -- such is the general formula of the...