Drusen, from the German word for node or geode (singular, "Druse"), are tiny yellow or white accumulations of extracellular material that build up between Bruch's membrane and the retinal pigment epithelium of the eye.
Drusen, stemming from the German word for a node or geode (singular, "Druse"), are tiny, yellowish or white deposits that form from extracellular material, located between Bruch's membrane and the retinal pigment epithelium in the eye.