Lamella (plural lamellae) means a small plate or flake in Latin, and in English may refer to:

Biology

Lamella (mycology) In mycology, a lamella, or gill, is a papery hymenophore rib under the cap of some mushroom species, most often agarics. The gills are used by the mushrooms as a means of spore dispersal, and are important for species identification. The at ...

, a papery rib beneath a mushroom cap * Lamella (botany) *

Lamella (surface anatomy) Lamellae on a gecko's foot. In surface anatomy, a lamella is a thin plate-like structure, often one amongst many lamellae very close to one another, with open space between. Aside from respiratory organs, they appear in other biological roles ...

, a plate-like structure in an animal *

Lamella of osteon In osteology, the osteon or haversian system (; named for Clopton Havers) is the fundamental functional unit of much compact bone. Osteons are roughly cylindrical structures that are typically between 0.25 mm and 0.35 mm in diameter. Their ...

, the concentric circles around the central Haversian canals *

Lamella (cell biology) A lamella (plural: "lamellae") in biology refers to a thin layer, membrane or plate of tissue. This is a very broad definition, and can refer to many different structures. Any thin layer of organic tissue can be called a lamella and there is a ...

: ** (i) part of a chloroplast (thin extension of thylakoid joining different grana) ** (ii) the leading edge of motile cells, containing the

lamellipodia The lamellipodium (plural lamellipodia) (from Latin ''lamella'', related to ', "thin sheet", and the Greek radical ''pod-'', "foot") is a cytoskeletal protein actin projection on the leading edge of the cell. It contains a quasi-two-dimensiona ...

* ''Lamella'' (crab), a group of land crabs in the family Gecarcinucidae * '' Uroleptus lamella'', a species of protozoans * Middle lamella, a pectin layer which cements the cell walls of two adjoining plant cells together

Other uses

Lamella (materials) A ''lamella'' (plural ''lamellae'') is a small plate or flake, from the Latin, and may also be used to refer to collections of fine sheets of material held adjacent to one another, in a gill-shaped structure, often with fluid in between though s ...

, a fine, plate-like structure, usually in a group *

Lamella clarifier A lamella clarifier or inclined plate settler (IPS) is a type of clarifier designed to remove particulates from liquids. Range of applications Lamella clarifiers can be used in a range of industries, including mining and metal finishing, as wel ...

, an inclined-plate clarifier used in water treatment systems * Lamella (structures), used to cover wide, open areas with no supporting members (i.e. arenas, "domes") * Musical instrument reed {{disambig