# 03 BBB

![](https://f001.backblazeb2.com/file/wikiFiles/4E72654A-8B31-4B95-8908-409D9F64CAA4.jpg)

* BBB composed of tight junctions and foot processes

![](https://f001.backblazeb2.com/file/wikiFiles/0A151630-3E42-4A99-9530-B641B499E141.jpg)

## CVO

![](https://f001.backblazeb2.com/file/wikiFiles/EEBF3EFC-17F8-4779-9E70-169EA815B0C0.jpg)

### Area postrema

![](https://f001.backblazeb2.com/file/wikiFiles/2281EB3E-D784-4869-8576-8DEBBBFB29F6.jpg)

* nausea/vomit in res ponse to chemo

### OVLT

![](https://f001.backblazeb2.com/file/wikiFiles/D53A8007-3589-4077-BE26-2E68CA34DAEF.jpg)

### SFO

![](https://f001.backblazeb2.com/file/wikiFiles/3DADE83C-45BC-4FD5-AF05-54B1394BA937.jpg)

### Median Eminence

![](https://f001.backblazeb2.com/file/wikiFiles/E616AAD1-3FDE-42AE-AED9-DA1025AB2AA1.jpg)

### Others

![](https://f001.backblazeb2.com/file/wikiFiles/763B59EA-7A67-4E5C-82DF-CCFA84774DB1.jpg)

## Cerebral Edema

![](https://f001.backblazeb2.com/file/wikiFiles/232161EE-57F8-40AE-99DB-62977724563C.jpg)

* in order for fluid to spill into brain, bbb must be broken down