lamella

la·mel·la

noun \lə-ˈmel-ə\

plural la·mel·lae \-ˈme-ˌlē, -ˌlī\ also lamellas

Definition of LAMELLA

1

: an organ, process, or part resembling a plate: as a : one of the bony concentric layers surrounding the haversian canals in bone b (1) : one of the incremental layers of cementum laid down in a tooth (2) : a thin sheetlike organic structure in the enamel of a tooth extending inward from a surface crack

2

: a small medicated disk prepared from gelatin and glycerin for use especially in the eyes <lamellae of atropine>