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DeCS
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Descriptor English:
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Basement Membrane
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Descriptor Spanish:
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Membrana Basal
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Descriptor Portuguese:
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Membrana Basal
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Synonyms English:
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Basal Lamina
Basement Lamina
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Tree Number:
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A10.272.220
A10.615.179
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Definition English:
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A darkly stained mat-like EXTRACELLULAR MATRIX (ECM) that separates cell layers, such as EPITHELIUM from ENDOTHELIUM or a layer of CONNECTIVE TISSUE. The ECM layer that supports an overlying EPITHELIUM or ENDOTHELIUM is called basal lamina. Basement membrane (BM) can be formed by the fusion of either two adjacent basal laminae or a basal lamina with an adjacent reticular lamina of connective tissue. BM, composed mainly of TYPE IV COLLAGEN; glycoprotein LAMININ; and PROTEOGLYCAN, provides barriers as well as channels between interacting cell layers. |
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Indexing Annotation English:
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do not confuse X ref BASAL LAMINA with "lamina basalis", the basal plate of the embryonic neural tube
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History Note English:
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67(65)
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Allowable Qualifiers English:
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Record Number:
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1507
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Unique Identifier:
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D001485
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Occurrence in VHL:
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Similar:
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DeCS CID-10 SciELO LILACS LIS
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