Lymphocyte
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A lymphocyte is a type of white blood cell in the immune system of most vertebrates. Lymphocytes include T cells, B cells, and innate lymphoid cells, of which natural killer cells are an important sub
Scanning electron micrograph of a human T cell
A stained lymphocyte surrounded by red blood cells viewed using a light microscope
A scanning electron microscope image of normal circulating human blood showing red blood cells, several types of white blood cells including lymphocytes, a monocyte, a neutrophil and many small disc-shaped platelets
Several lymphocytes seen collected around a tuberculous granuloma
Lymph node
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A lymph node, or lymph gland, is a kidney-shaped organ of the lymphatic system and the adaptive immune system. A large number of lymph nodes are linked throughout the body by the lymphatic vessels. Th
Cross-section of a lymph node with sections labelled.1) Capsule; 2) Subcapsular sinus; 3) Germinal center; 4) Lymphoid nodule; 5) Trabeculae
Labeled diagram of human lymph node showing the flow of lymph
A still image from a 3D medical animation showing enlarged lymph nodes
Micrograph of a mesenteric lymph node with adenocarcinoma