Lamella

Lamella refers to a thin layer, plate, or scale of sedimentary rock, organic tissue, or other material. It is a term used in various fields of study including biology, geology, and physics.

Biology

In biology, lamella is used to describe a variety of structures, but generally refers to a thin layer or plate of tissue. This can be seen in the gills of fish and the chloroplasts of plants.

Gills

In fish, the lamellae are the sites of gas exchange. Oxygen from the water diffuses into the blood in the lamellae, while carbon dioxide diffuses out. This allows the fish to breathe underwater.

Chloroplasts

In plants, the thylakoid membrane in the chloroplasts contains a system of flattened, disc-shaped sacs called thylakoid lamellae. These lamellae are the sites of the light reactions of photosynthesis.

Geology

In geology, lamella refers to a thin layer or sheet of rock. Lamellae can form in a variety of ways, including through the deposition of sediment, the cooling of lava, or the alteration of existing rock due to heat and pressure.

Physics

In physics, lamella is used to describe thin layers or sheets of material, often in the context of crystallography or materials science.

See also

• Lamellar structure
• Lamellar phase
• Lamellibranch

Lamella Resources
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