With regard to the blood retina barrier:
a. the outer blood retina is formed by the retinal pigment epithelium cells and their junctions
b. the blood retina barrier is typically defective in the immediate perpapillary region
c. the retinal vascular endothelial cells can actively transport fluid and anions from the extracellular
space of the retina into the circulation
d. all above
a. the outer blood retina is formed by the retinal pigment epithelium cells and their junctions
b. the blood retina barrier is typically defective in the immediate perpapillary region
c. the retinal vascular endothelial cells can actively transport fluid and anions from the extracellular
space of the retina into the circulation
d. all above