1. Applied Developmental Biology Dr. Lubna Tahtamouni
The Hashemite University
18/05/2009
Week # 15
Late Mammalian Development

9. Outer layer of ectoderm
Neural plate
Neural fold
Neural fold
Neural plate
Notochord
Ectoderm
Mesoderm
Endoderm
Archenteron
Neural folds
Outer layer of ectoderm
Neural tube

16. Archenteron (digestive cavity)
Neural tube
Somites are blocks of mesoderm that will give rise to segmental structures
Notochord
Somite
Coelom
Archenteron (digestive cavity)
The body cavity, or coelom, also develops from the mesoderm
Somites
Tail bud
Eye

17. THE END