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Basement membrane

basement membrane

A Dictionary of Biology | 2004 | Copyright

basement membrane (basal lamina) A thin sheet of fibrous proteins that underlies and supports the cells of an epithelium, separating this from underlying tissue. Such membranes also surround muscle cells, Schwann cells, and fat cells, and a thick basement membrane is found in the kidney glomerulus, where it acts as a filter (see ultrafiltration). Basement membranes are components of the extracellular matrix and help to regulate passage of materials between epithelial cells and adjacent blood vessels. Each consists of a framework of collagen fibrils, within which are glycosaminoglycans (mucopolysaccharides) and laminins, which are proteins that bind the basement membrane to neighbouring cells via cell adhesion molecules.
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"basement membrane." A Dictionary of Biology. 2004. Encyclopedia.com. 29 May. 2012 <http://www.encyclopedia.com>.

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basement membrane

A Dictionary of Nursing | 2008 | Copyright

basement membrane (bayss-mĕnt) n. the thin delicate membrane that lies at the base of an epithelium.
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"basement membrane." A Dictionary of Nursing. 2008. Encyclopedia.com. 29 May. 2012 <http://www.encyclopedia.com>.

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basement membrane

A Dictionary of Zoology | 1999 | | Copyright

basement membrane See BASAL LAMINA.
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MICHAEL ALLABY. "basement membrane." A Dictionary of Zoology. 1999. Encyclopedia.com. 29 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "basement membrane." A Dictionary of Zoology. 1999. Encyclopedia.com. (May 29, 2012). http://www.encyclopedia.com/doc/1O8-basementmembrane.html

MICHAEL ALLABY. "basement membrane." A Dictionary of Zoology. 1999. Retrieved May 29, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-basementmembrane.html

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