animalization

noun

1. (countable, uncountable)The act of animalizing; the giving of animal life, or endowing with animal properties.
2. (countable, uncountable)Conversion into animal matter by the process of assimilation.

   “The raw material of this restoration is derived from without : the alimentary canal , in which the conversion and animalisation of the food take place , is provided , in the Vertebrata , with two apertures”