Keywords: Gray20nl somite highlight.png Dorsum of human embryo 2 11 mm in length After Eternod Other fields 1 Information field Ucfirst Plate 20 before 1858 Henry Gray Anatomy of the Human Body See Book section below 20 Creator Henry Vandyke Carter Book Gray's Anatomy PD-old-100-1923 Gray's Anatomy plates 0020 Zootomy Human embryos |