Drusen vs. Druse — What's the Difference?

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. The presence of a few small ("hard") drusen is normal with advancing age, and most people over 40 have some hard drusen.

A cavity or opening in rock lined with tiny crystals, usually composed of the same minerals that occur in the rock.

Plural of druse

(mineralogy) An inner surface with a crust of tiny crystals.

(botany) An aggregation of calcium oxalate crystals found in certain plants.

(ophthalmology) A tiny yellow or white accumulation of extracellular material that builds up in Bruch's membrane of the eye.

A cavity in a rock, having its interior surface studded with crystals and sometimes filled with water; a geode.

One of a people and religious sect dwelling chiefly in the Lebanon mountains of Syria.

An adherent of an esoteric monotheistic religious sect living in the relative security of the mountains of Syria and Lebanon who believes that Al-hakim was an incarnation of God;