Which connective tissue cell type secretes histamine?

Discussion in 'Question Zone' started by Guest, Jul 30, 2010.

  1. Guest

    Guest Guest

    Which connective tissue cell type secretes histamine?
    a. Fibroblast
    b. Myofibroblast
    c. Histiocyte
    d. Plasma cell
    e. Mast cell
  2. Guest

    Guest Guest

    Answer: e

    Mast cells secrete histamine. The also secrete heparin, SRS-A (slow reacting substance of anaphylaxis, ECF-A (eosinophilic chemotactic factor of anaphylaxis.

    Fibroblasts, histiocytes, plasma cells, and mast cells are routinely seen in loose connective tissue. Fibroblasts produce collagen. The fibroblast also produces the ground substance in connective tissue. Myofibroblasts contain properties of both fibroblasts and smooth muscle cells. The histiocyte is a connective tissue macrophage. Plasma cells are derived from B lymphocytes. Mast cells secrete histamine. Mast cells also secrete heparin, SRS-A (slow reacting substance of anaphylaxis, ECF-A (eosinophilic chemotactic factor of anaphylaxis.

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