BASAL LAMINA Meaning and
Definition
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The basal lamina is a thin, non-cellular layer found between the epithelial cells and the underlying connective tissue in various organs and tissues. It is a specialized extracellular matrix that provides structural support and acts as a boundary between different tissue compartments.
Composed primarily of proteins and polysaccharides, the basal lamina has a distinct composition and function depending on the tissue or organ it is found in. It consists of three major components: laminin, collagen, and proteoglycans. Laminin forms a network-like structure and provides adhesive properties required for cell attachment and migration. Collagen fibers contribute to the strength and stability of the basal lamina, while proteoglycans play a role in maintaining hydration and regulating cell behavior.
The basal lamina functions as a selective barrier that regulates the movement of molecules between the epithelial and connective tissue compartments. It helps to anchor and support the epithelial cells in their respective tissues, maintaining the structural integrity and organization of the tissues. Additionally, the basal lamina serves as a signaling platform, transmitting signals between cells and influencing cell behavior, migration, differentiation, and proliferation.
In summary, the basal lamina is a crucial component of many tissues and organs, providing mechanical support, acting as a barrier, and regulating cellular functions. Its composition and properties vary depending on the specific tissue, highlighting its role in maintaining tissue homeostasis and function.
Common Misspellings for BASAL LAMINA
- vasal lamina
- nasal lamina
- hasal lamina
- gasal lamina
- bzsal lamina
- bssal lamina
- bwsal lamina
- bqsal lamina
- baaal lamina
- bazal lamina
- baxal lamina
- badal lamina
- baeal lamina
- bawal lamina
- baszl lamina
- bassl lamina
- baswl lamina
- basql lamina
- basak lamina
- basap lamina
Etymology of BASAL LAMINA
The word "basal lamina" originates from Latin and Greek roots. "Basal" comes from the Latin word "basis", which means "base" or "foundation". "Lamina" is derived from the Latin word "lamina", meaning "thin plate" or "layer".
In the context of biology and anatomy, the term "basal lamina" refers to the thin layer of extracellular matrix that lies underneath epithelial cells. The choice of the term likely indicates that it serves as a foundation or structural support for the overlying cells.
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