From Embryology
HillH12 Links: left lateral 1 | left lateral 2 | left lateral animation | left lateral 3 | left lateral 4 | Carnegie stage 23 | Hill Collection

Image source: The images from the Hill Collection (part of the Embryological Collection) are reproduced with the permission of the Museum für Naturkunde, Leibniz Institute for Research on Evolution and Biodiversity. Images are for educational purposes only and must not be reproduced electronically or in writing without permission from the Museum für Naturkunde Berlin.