Neuro #18.txt

Card Set Information

Author:
kepling
ID:
75654
Filename:
Neuro #18.txt
Updated:
2011-03-28 13:40:40
Tags:
Neuro
Folders:

Description:
Neuro #18
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user kepling on FreezingBlue Flashcards. What would you like to do?


  1. What 2 cells line the non-epithelial lining of the iris?
    Fibroblasts and Melanocytes
  2. When does gastrulation begin?
    day 15
  3. What "-derm" forms the eye?
    Ectoderm (part of CNS etc...)
  4. When does neurulation begin?
    Day 17
  5. When do the cranial and caudal neuropores close?
    • Cranial = Day 25
    • Caudal = Day 27
  6. When do the two optic grooves form?
    Week 4, before cranial neuropore closes
  7. What two layers form the lens placode?
    • Ectoderm
    • Optic vesicles (from optic grooves)
  8. At what week do the optic vesicle and lens placode begin to invaginate (optic cup)?
    Week 5
  9. From the fetus to adult, what does the hyeloid artery become?
    Central artery of the retina
  10. What connects the optic cup to the forebrain?
    Optic stalk (Eventually becomes optic nerve)
  11. What "-dermal" layer forms the sclera and stroma of the eye and its parts?
    Mesoderm
  12. What genetic marker initiates optic stalk differentiation?
    PAX2
  13. What genetic marker initiates optic cup and lens differentiation?
    PAX6
  14. What genetic marker inactivates PAX6 in order to activate PAX2?
    SHH from prechordal plate

What would you like to do?

Home > Flashcards > Print Preview