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Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings

Week 4 – The Body Takes Shape

Derivatives of the germ layers

Ectoderm forms

Brain, spinal cord, and epidermis

Endoderm forms

Inner epithelial lining of the gut tube

Respiratory tubes, digestive organs, and urinary bladder

Notochord – gives rise to nucleus pulposus within intervertebral discs

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