Human flesh depends upon the soul for its being; and hence, before the coming of the soul, there is no human flesh, but there may be a disposition towards human flesh.
 Thomas Aquinas, Summa Theologica (1274). copy citation

add
Author Thomas Aquinas
Source Summa Theologica
Topic soul flesh
Date 1274
Language English
Reference
Note Translated by Fathers of the English Dominican Province
Weblink http://www.gutenberg.org/cache/epub/19950/pg19950-images.html

Context

“Therefore since the soul was not assumed before the flesh, inasmuch as it is against the nature of the soul to be before it is united to the body, so likewise the flesh ought not to have been assumed before the soul, since it is not human flesh before it has a rational soul. Reply Obj. 1: Human flesh depends upon the soul for its being; and hence, before the coming of the soul, there is no human flesh, but there may be a disposition towards human flesh. Yet in the conception of Christ, the Holy Ghost, Who is an agent of infinite might, disposed the matter and brought it to its perfection at the same time. Reply Obj. 2: The form actually gives the species;” source