KROK 1 Stomatology 2015 – Question 135 · KROK (Dentistry)

A newborn boy has been diagnosed with hydrocephalus. Doctors consider it to be caused by teratogenic factors. What germ layers are affected by teratogen?

  1. A. All embryo germ layers
  2. B. Endoderm
  3. C. Mesoderm
  4. D. Ectoderm
  5. E. Endoderm and mesoderm
Hint

Identify which germ layer gives rise to the neural tube, from which the brain and its ventricles develop.

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