Embryology Flashcards
0
Q
Anencephaly
A
Failure of closure of anterior neuropore.
Absence of forebrain and cerebellum
Incompatible with life
1
Q
Spina bifida
A
Failure of closure of the neural tube
Usually lumbosacral
Occulta or cystica
Often causes hydrocephalus
2
Q
Rachischisis
A
Failure of neural fold elevation
Severe form of spina bifida along whole length of spine
3
Q
Primary brain vesicles and their derivatives
A
Prosencephalon - telencephalon (cerebral hemispheres), diencephalon (thalamus)
Mesencephalon - mesencephalon (midbrain)
Rhombencephalon - metencephalon (pons, cerebellum), myelencephalon (medulla oblongata)