Neuropores Flashcards
1
Q
What are neuropores?
A
Openings within the neural tube
2
Q
Which direction does neural tube close in?
A
Head to tail
3
Q
Which neuropores close first anterior or posterior?
A
Anterior (day 25-26) then posterior (day 27)
4
Q
Describe anencephaly
A
Failure of the anterior neuropore to close so the brain develops outside the body
5
Q
What causes spina bifida?
A
Failure to close the posterior neuropore
6
Q
Why should a women take folic acid supplements before pregnancy?
A
Because neuraltion takes place from day 16-17 when woman might not know she’s pregnant.
