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  2. Community-acquired pneumonia - Wikipedia

    en.wikipedia.org/wiki/Community-acquired_pneumonia

    This leads to cell death; the cells are killed by the virus or they self-destruct. Further lung damage occurs when the immune system responds to the infection. White blood cells, particularly lymphocytes, activate chemicals known as cytokines which cause fluid to leak into the alveoli. The combination of cell destruction and fluid-filled ...

  3. Vulnerable plaque - Wikipedia

    en.wikipedia.org/wiki/Vulnerable_plaque

    A vulnerable plaque is a kind of atheromatous plaque – a collection of white blood cells (primarily macrophages) and lipids (including cholesterol) in the wall of an artery – that is particularly unstable and prone to produce sudden major problems such as a heart attack or stroke.

  4. Promyelocyte - Wikipedia

    en.wikipedia.org/wiki/Promyelocyte

    These associated complications may include anemia, recurrent infections, excessive bleeding and an increased risk of cancer of the bone marrow/blood cells . [14] Treatment of MDS is used to slow the disease, and involves blood transfusions, medications, and bone marrow transplants.

  5. Blood cell - Wikipedia

    en.wikipedia.org/wiki/Blood_cell

    Hemoglobin is an iron-containing protein that gives red blood cells their color and facilitates transportation of oxygen from the lungs to tissues and carbon dioxide from tissues to the lungs to be exhaled. [3] Red blood cells are the most abundant cell in the blood, accounting for about 40-45% of its volume. Red blood cells are circular ...

  6. Reactive lymphocyte - Wikipedia

    en.wikipedia.org/wiki/Reactive_lymphocyte

    Reactive lymphocyte surrounded by red blood cells. In immunology, reactive lymphocytes, variant lymphocytes, atypical lymphocytes, Downey cells or Türk cells are cytotoxic (CD8 +) lymphocytes that become large as a result of antigen stimulation. Typically, they can be more than 30 μm in diameter with varying size and shape.

  7. Megakaryocyte - Wikipedia

    en.wikipedia.org/wiki/Megakaryocyte

    Blood cell lineage. The megakaryocyte develops through the following lineage: CFU-Meg (hematopoietic stem cell/hemocytoblast) → megakaryoblast → promegakaryocyte → megakaryocyte. Megakaryocytes are derived from hematopoietic stem cell precursor cells in the bone marrow. They are produced primarily by the liver, kidney, spleen, and bone ...

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    mail.aol.com

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  9. Echinocyte - Wikipedia

    en.wikipedia.org/wiki/Echinocyte

    Scanning electron microscopy (SEM) of echinocytes Echinocyte compared to other forms of poikilocytosis. Echinocyte (from the Greek word echinos, meaning 'hedgehog' or 'sea urchin'), in human biology and medicine, refers to a form of red blood cell that has an abnormal cell membrane characterized by many small, evenly spaced thorny projections.