This portion of Figure 11-3 from O'Rahilly and Müller, 1987 shows a medial sections drawing made from a Born reconstruction of embryo 6344.
Keywords: allantois, facial nerve (CN VII), heart, mesencephalon, nucleus of facial nerve, nucleus of trigeminal nerve, optic evagination, primitive streak, trigeminal nerve (CN V)
Source: The Virtual Human Embryo.