Keywords: Gray19.png Transverse section of a chick embryo of forty-five hours⠙ incubation Balfour Other fields 1 Information field Ucfirst Plate 19 before 1858 Henry Gray Anatomy of the Human Body See Book section below 19 Creator Henry Vandyke Carter Book Gray's Anatomy PD-old-100-1923 Gray's Anatomy plates 0019 Embryology Chicken embryos |