Page 1 Page 2 prosencephalon mesencephalon rhombencephalonneuromeresPage 3 Notochord (ung very faint line) Sinus rhomboidalisPage 4 Spinal cordPage 5 Primitive streakPage 6 ventricle atrium Vitelline vein Margin of ant. Intestinal portalPage 7 Page 8 somitesPage 9 Foregut<?>