Neuro embryology AR Flashcards
The neural tube has a central cavity. What is this called in the spinal cord?
Central canal
Where are the lateral ventricles derived from?
Telencephalon
Where is the third ventricle derived from?
Diencephalon
Where is the cerebral aqueduct derived from?
Mesencephalon
Where is the forth ventricle derived from?
Rhombencephalon
What does the rhombencephalon divide into?
Metencephalon
Myelencephalon
What is derived from the mesencephalon?
The cerebellum and the pons
From which germ layer does the CNS and the PNS originate?
The ectoderm
Early CNS development: How would you describe the neural plate?
A plate of thickened ectoderm
What are the lateral edges of the neural plate called?
Neural folds
What is formed as the neural folds approach the midline and fuse?
Neural tube
In which region does the neural tube close first?
a) Cranial
b) Cephalic
c) Caudal
a) Cranial
and then closes in the cephalic and caudal regions
