MM Quiz 1 Embryology

Mrs. Lujan's Ultrasound examination for anomaly scan show a cystic lesion in the lumbar region with a lemon sign. After delivery, her 500 had an open lesion in lumbar region that contain the spinal cord and its membranous covering. the most likely cause for this is:

A doctor removed the neural crust from the thoracic region as soon as the neural tube closed, Which of the following will be affected in the thoracic region

Failure of rostral nearopore to close causes: (Med40)

Which one of the following is a neural tube defects, comes with absence of calvarium, posterior bone elements and deficiency in procencephalus? (Med42)

Sensory ganglia is a derivative of: (Med40)

Closure of the rostral and caudal neuropores occurs in: (Med42)

Neural crest cells develop during a process known as neurolation, these cells ultimately form which of the following? (Med42)