[fahy-bruh-nek-tin] /ˌfaɪ brəˈnɛk tɪn/

noun, Cell Biology.
a fibrous protein that binds to collagen, fibrin, and other proteins and also to the cell membranes, functioning as an anchor and connector.

fibronectin fi·bro·nec·tin (fī’brə-něk’tĭn)
A fibrous linking protein that functions as a reticuloendothelial mediated host defense mechanism and is impaired by surgery, burns, infection, neoplasia, and disorders of the immune system.
Any of several glycoproteins that occur especially in plasma and in soft connective tissue. Fibronectins are important for the adhesion of fibrous extracellular tissue matrices and also play roles in cellular adhesion, embryonic cellular differentiation, phagocytosis, and the aggregation of platelets in blood clotting.


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  • Fibroneuroma

    fibroneuroma fi·bro·neu·ro·ma (fī’brō-nu-rō’mə, -nyu-) n. See neurofibroma.

  • Fibropapilloma

    fibropapilloma fi·bro·pap·il·lo·ma (fī’brō-pāp’ə-lō’mə) n. A papilloma containing a conspicuous amount of fibrous connective tissue at the base.

  • Fibroplasia

    [fahy-bruh-pley-zhuh, -zhee-uh, -zee-uh] /ˌfaɪ brəˈpleɪ ʒə, -ʒi ə, -zi ə/ noun, Medicine/Medical. 1. the formation of fibrous tissue. fibroplasia fi·bro·pla·sia (fī’brə-plā’zhə, -zhē-ə) n. The formation of fibrous tissue, as normally occurs in the healing of wounds. fi’bro·plas’tic (-plās’tĭk) adj.

  • Fibrosarcoma

    [fahy-broh-sahr-koh-muh] /ˌfaɪ broʊ sɑrˈkoʊ mə/ noun, plural fibrosarcomas, fibrosarcomata [fahy-broh-sahr-koh-muh-tuh] /ˌfaɪ broʊ sɑrˈkoʊ mə tə/ (Show IPA). Pathology. 1. a derived from fibroblast cells, often able to generate collagen. fibrosarcoma fi·bro·sar·co·ma (fī’brō-sär-kō’mə) n. A malignant tumor derived from fibrous connective tissue and characterized by immature proliferating fibroblasts or undifferentiated anaplastic spindle cells.

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