Embryology Flashcards
1
Q
Name 5 structures derived from neural crest cells
A
- connective tissue
- schwann cells
- endocrine tissue
- some of the SNS/PNS
- cartilage and bone of face and skull
2
Q
Where are the meninges derived from?
A
the outa dura matter is formed from mesenchyme paraxial mesoderm and arachnoid and Pia matter is formed from neural crest cells
3
Q
Describe the origin of the neural tube (2)
A
- the notochord signals the ectoderm above it to thicken ad form the neural plate
- the neural plate folds and fuses like a zip
4
Q
How does the neural tube form the brain?
A
undergoes cervical and cephalic flexure, folding to form different segments.