Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
1: layer of cells from ectoderm that will develop epidermis; 2: neural tube; 3: epimere, part of myotome; 4: dermatome; 5: sclerotome; 6: hypomere, part of myotome; 7: celoma cavity; 8: somatopleure; 9: splancnopleure; 10: abdominal aorta; 11: notocord.
Author's personal database image
