Medical Mcqs

Neural tube formation occurs on___________?
  • (A)  18 to 23 days post fertilization and is the second stage of craiofacial development
  • (B)  28 to 38 days post fertilization and is the third stage of craniofacial development
  • (C)  42 to 55 days post fertilization and is the fourth stage of craniofacial development
  • (D)  17 the day post fertilization and is the first stage of craniofacial development