Neuro Embryo and Development

17 flashcards · Other · by Jose Perez

1. ___________________________ provide the inner lining of the ventricles and are responsible for CSF production

   Ependymal Cells

2. Oligodendroglia

   Produce myelin in the CNS Affected in multiple sclerosis

3. Mesenchymal cells develop into:

   Tissue cells such as bone marrow cells, adipose tissue cells, and muscle cells.

4. Astrocytes

   Provides physical support Removes excess potassium ions Help form the blood-brain barrier Physical repair

5. Schwann cells

   Produce myelin in the PNS Affected in Guillain-Barre syndrome Cell type of acoustic neuromas

6. Microglia

   Specialized CNS phagocytes

7. The mesoderm only gives rise to the ____________ during nervous system development.

   The mesoderm only gives rise to the microglia during nervous system development.

8. Basal plate gives rise to:

   Motor neurons

9. Metecephalon gives rise to:

   Pons, cerebellum, superior part of fourth ventricle

10. Alar plate gives rise to:

    Sensory neurons

11. Dicephalon gives rise to:

    Thalamus, hypothalamus. optic nerves, third ventricle

12. Non-REM stage 1 (N1) sleep is the lightest sleep which is associated with _______________.

    Non-REM stage 1 (N1) sleep is the lightest sleep which is associated with hypnagogic jerks.

13. Non-REM stage 2 (N2)

    Sleep spindles + K-complexes Deeper sleep Represents around 50% of total sleep

14. Non-REM stage 1 (N1)

    Theta waves Light sleep Transition to this stage be associated with hypnic jerks

15. Non-REM stage 3 (N3)

    Delta waves Deep sleep Parasomnias such as night terrors, nocturnal enuresis, sleepwalking.

16. REM

    Beta-waves Dreaming occurs Loss of muscle tone, erections

17. Stages of sleep

    N1 → N2 → N3 → REM Theta → Sleep spindles/K-complexes → Delta → Beta The Sleep Doctor's Brain