This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Gray. Human embryo about fifteen days old Brain and heart represented from right side Digestive tube and yolk sac in median section After His Other fields Information field Ucfirst Plate before Henry Gray Anatomy of the Human Body See Book section below Creator Henry Vandyke Carter Book Gray's Anatomy PDold Gray's Anatomy plates