Medical Dictionary

phylogeny

noun phy·log·e·ny \fi-ˈläj-ə-nē\
plural phy·log·e·nies

Medical Definition of PHYLOGENY

1
:  the evolutionary history of a kind of organism
2
:  the evolution of a genetically related group of organisms as distinguished from the development of the individual organism—called also phylogenesis; compare ontogeny

Browse

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears