QuestionSBA
QuestionChoice
Spina bifida is a neural tube defect that occurs when the posterior neural tube does not close fully. There are two types, occulta (hidden), or cystica (when the meninges project out).
10000866
a
Posterior neural tube
QuestionChoice
Anencephaly is a fatal neural tube defect that causes degeneration of the forebrain and skull.
10000867
b
Anterior neuropore
QuestionChoice
The amniotic sac should enclose the foetus during pregnancy.
10000870
e
Amniotic sac
QuestionChoice
When the foramen ovale in the heart remains open, this is known as a patent foramen ovale. Blood may flow between the atria. Most people do not experience complications from this.
10000868
c
Foramen ovale
QuestionChoice
Failure of palate fusion can lead to a cleft palate.
10000869
d
Palate
Concept
Chapter
2693
3840
Spina Bifida
Topic
171
Embryology
12720
Ultrasound of a 12-week pregnant woman reveals that the foetus has a protrusion of tissue from the spine.

Failure to close of which embryological structure results in this condition?
a