Leucocyte Collection (page 8)

Allergic response, artwork
Allergic response. Computer artwork showing the process that produces an allergic reaction. Antigens (blue), such as pollen

Blood cells, SEM
Blood cells. Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte, red) and a white blood cell (leucocyte, blue). These are the two main cell components of blood

Spleen cell, TEM
Spleen cell. Coloured transmission electron micrograph (TEM) of a section through a cell in the spleen, an organ located in the upper left side of the abdomen in vertebrate animals

Spleen cells, TEM
Spleen cells. Coloured transmission electron micrograph (TEM) of a section through cells in the spleen, an organ located in the upper left side of the abdomen in vertebrate animals

Lung alveoli and blood cells, TEM
Lung alveoli and blood cells. Coloured transmission electron micrograph (TEM) of a section through lung alveoli and blood cells

Blood cells in blood vessel, artwork
Blood cells in blood vessel, computer artwork. Red blood cells (erythrocytes, red) distribute oxygen to body tissues, and carry waste carbon dioxide back to the lungs

Small lymphocyte, TEM
Small lymphocyte. Coloured transmission electron micrograph (TEM) showing the large central nucleus (brown) of a small lymphocyte (white blood cell)

White blood cell, TEM
White blood cell. Coloured transmission electron micrograph (TEM) of an eosinophil (a type of white blood cell), part of the bodys immune system

Dead neutrophil white blood cell, SEM
Dead neutrophil white blood cell. Coloured scanning electron micrograph (SEM) of a dead neutrophil (green) surrounded by rod-shaped bacteria (blue). Neutrophils are part of the bodys immune response

Human blood cells, SEM
Human blood cells, coloured scanning electron micrograph (SEM). Seen here are platelets (small, roundish) and a neutrophil white blood cell (large, whitish)

Blood cells in a kidney, SEM
Blood cells in a kidney. Transmission electron micrograph (TEM) of a section through a kidney glomerulus, showing red blood cells (erythrocytes, red) and a white blood cell (leucocyte, blue)

Cell infected with HIV, SEM
Cell infected with HIV. Coloured scanning electron micrograph (SEM) of HIV particles (yellow) budding from the membrane of a host cell (red)

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"Exploring the Mighty Leucocyte: Unveiling the Warriors of our Immune System" Leucocytes, also known as white blood cells, are the unsung heroes safeguarding our bodies from various threats. Among them, T lymphocytes play a crucial role in fighting cancer cells, acting as vigilant guardians against this formidable disease. (T lymphocytes and cancer cell, SEM C001 / 1679) Another remarkable the neutrophil - an expert at engulfing harmful bacteria like MRSA. Witness its extraordinary power under the microscope as it devours these dangerous microbes with precision and efficiency. (Neutrophil engulfing MRSA, SEM C018 / 8596) Intriguingly, human white blood cells bear HLA antigens that act as identification tags for immune recognition. Delve into their intricate structure through a detailed transmission electron microscopy image revealing their fascinating complexity. (TEM of human white blood cell bearing HLA antigen) Behold a vibrant world within our bloodstream. A colored scanning electron micrograph showcases a lymphocyte - one type of white blood cell - shining brightly amidst red and other cellular companions. (Colored SEM of a white blood cell [lymphocyte]) Basophilic leucocytes may be less well-known but possess significant functions in allergic reactions and inflammation responses within our bodies' defense mechanisms. Discover their unique characteristics through captivating microscopic imagery. (Basophil white blood cell) The intricate dance of life-saving clotting factors unfolds before us in an artwork depicting the mesmerizing beauty of the blood coagulation cascade—an essential process to prevent excessive bleeding when injuries occur. (Blood coagulation cascade, artwork C016 / 9873) Witness Dohle bodies within leucocytes—a microscopic phenomenon observed during certain infections or inflammatory conditions—captured vividly under high-resolution magnification.