Lamellae
Lamellae
Lamellae (pronunciation: lə-ˈme-lē) is a term used in various fields of medicine, but most commonly in anatomy and histology. The term is derived from the Latin word lamella, which means "thin plate" or "layer".
Definition
In the context of medicine, lamellae refer to thin layers or plates of tissue. These can be found in various parts of the body, such as the bones, the cornea of the eye, and the gills of fish.
Types of Lamellae
There are several types of lamellae, including:
- Concentric lamellae: These are circular layers of bone matrix that surround the central canal in an osteon.
- Interstitial lamellae: These are irregular shaped layers of bone matrix that fill the spaces between adjacent osteons.
- Circumferential lamellae: These are layers of bone matrix that run around the outer and inner circumference of a bone.
Related Terms
- Osteon: The basic unit of structure in compact bone, consisting of a central canal surrounded by concentric lamellae.
- Bone matrix: The intercellular substance of bone tissue, consisting of collagen fibers, ground substance, and inorganic bone salts.
- Central canal: The central channel in an osteon, containing blood vessels and nerves.
See Also
External links
- Medical encyclopedia article on Lamellae
- Wikipedia's article - Lamellae
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