Definition

1. Noun:
   • A thin plate, scale, membrane, or layer: A lamella is a very thin, flat piece or layer of material, often found in biological structures or manufactured materials.
   • (Anatomy) A thin bony layer: In anatomy, a lamella is one of the thin, calcified layers that make up the structure of bones.
   • (Mycology) A gill: In fungi, a lamella is one of the many thin, plate-like, radiating structures on the underside of a mushroom cap where spores are produced.

Examples of Usage

• General/Material Science:
  • The mineral sample showed a distinct crystalline structure with each lamella clearly visible under the microscope.
  • The filter is composed of multiple lamellae to increase its surface area.
• Anatomy:
  • Osteons in compact bone are formed from concentric lamellae surrounding a central canal.
• Mycology:
  • A key identifying feature of many mushrooms is the color of their lamellae, or gills.

Advanced Usage

• "Middle lamella": In plant biology, the pectin-rich layer that cements the cell walls of adjacent plant cells together.
  • The middle lamella is crucial for the structural integrity of plant tissues.
• "Interlamellar": (Adjective) Situated between lamellae.
  • The interlamellar space allows for the diffusion of nutrients in bone tissue.

Variants and Related Words

• Lamellae (n): The plural form of lamella.
  • The lamellae of the fish's gills are highly efficient at extracting oxygen from water.
• Lamellar (adj): Having, consisting of, or arranged in thin plates or layers.
  • The material has a lamellar structure, giving it unique mechanical properties.
• Lamellate (adj): Composed of or furnished with lamellae.
  • The insect's antennae are lamellate, resembling a series of small plates.

Synonyms

• Layer: A sheet, quantity, or thickness of material, typically one of several, covering a surface or body.
• Plate: A thin, flat piece of material.
• Scale: A thin, flat piece or layer.
• Gill (specific to mycology): The spore-producing structure of a mushroom.

Related Phrases/Compounds

• Lamellar bone: A type of bone tissue characterized by a regular parallel alignment of collagen into sheets (lamellae).
• Lamellar tearing: A welding defect that occurs in rolled steel plates, characterized by terraced cracks in the base metal.

Noun

1. thin plate
2. a thin membrane that is one of the calcified layers that form bones
3. any of the radiating leaflike spore-producing structures on the underside of the cap of a mushroom or similar fungus