Such a secretional division dictates directed interactions between the systemic circulation (basolateral) and the retina (apical).
Mikael Klingeborn, W. Michael Dismuke, Nikolai P. Skiba, Una Kelly, W. Daniel Stamer,Catherine Bowes Rickman 2017, 'Directional Exosome Proteomes Reflect Polarity-Specific Functions in Retinal PigmentedEpithelium Monolayers', Scientific Reportshttp://link.springer.com/article/10.1038/s41598-017-05102-9. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)