Flashcards in Blood Supply of the CNS Deck (5):
Why are arteries in the CNS more susceptible to HTN related injury?
They have quick transitions from large to small - low pressure to high pressure
What is unique about the BBB?
The capillary endothelial cells adhere to each other with tight junctions and astrocyte end feet surround the endothelium
How is the blood supply of the brain regulated?
What is the function of the BBB?
Restricts ionic/fluid movements, supplies essential nutrients,
mediates efflux of waste or toxic products