In the context of materials science, the microscopic structures in bone and nacre are called lamellae.
They can be produced by chemical effects (as in eutectic solidification), biological means, or a deliberate process of lamination, such as pattern welding.
In mycology, a lamella (or gill) is a papery hymenophore rib under the cap of some mushroom species, most often agarics.
[3] In textile industry, a lamella is a thin metallic strip used alone or wound around a core thread for goldwork embroidery and tapestry weaving.
[4] In September 2010, the U.S. Food and Drug Administration (FDA) announced a recall of two medications which contained "extremely thin glass flakes (lamellae) that are barely visible in most cases.