Leukocyte Collection (#6)

Phagocytosis of a fungus spore, SEM
Phagocytosis of a fungus spore. Coloured scanning electron micrograph (SEM) of a spore from the fungus Aspergillus fumigatus (red) being phagocytosed (engulfed and destroyed)

White blood cell response
White blood cell movement. Computer-enhanced confocal light micrograph of white blood cells (red) moving through the intact walls of a blood vessel, a process known as diapedesis

White blood cells and platelets
White blood cells & platelets. Coloured scanning electron micrograph (SEM) of a group of white blood cells (leucocytes) and activated platelets in human blood

Immune system components
Immune system. Conceptual computer artwork of a man standing with his arms outstretched surrounded by components of the immune system. The skeletal system is seen, with the joints highlighted in red

Mast cell, SEM
Mast cell, coloured scanning electron micrograph (SEM). Mast cells are a type of white blood cell that are found in connective tissue

Collage artwork of cells of the immune system
Immune system. Collage artwork of cells of the immune system. Many different cells develop from a common stem cell in the bone marrow

Coronary artery, TEM
Coronary artery. Coloured transmission electron micrograph (TEM) of a cross-section through the wall of a coronary artery

SEM of two polymorphonuclear white blood cells
White blood cells. Scanning electron micrograph of two polymorphonuclear white blood cells (leucocytes). These cells, also known as neutrophils or polymorphs are involved in protecting the body

Sickle cell anaemia. Artwork of red blood cells in sickle cell anaemia (drepanocytosis). The sickle- shaped red blood cells (some seen at upper left) contrast with normal red blood cells (rounded)

Medical nanorobots on red blood cell
Medical nanorobots. Computer artwork of medical nanorobots on red blood cells inside a human body. Microscopic robot technology could be developed in the future to treat diseases in new ways

Lymph node, SEM
Lymph node. Coloured scanning electron micrograph (SEM) of a freeze fracture section through a lymph node, showing part of the medullary sinus

Neutrophils and Shigella bacteria, SEM
Neutrophils and Shigella bacteria. Coloured scanning electron micrograph (SEM) of neutrophil white blood cells (large, yellow-green) and Shigella bacteria (orange, upper right)

Neutrophil white blood cell, SEM
Neutrophil white blood cell, coloured scanning electron micrograph (SEM). Neutrophils are part of the bodys immune response

Macrophage white blood cell, SEM
Macrophage. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell at the site of a skin wound. Macrophages are cells of the bodys immune system

Coloured SEM of a monocyte in a blood capillary
Monocyte. Coloured Scanning Electron Micrograph (SEM) of a monocyte (macrophage) in a blood capillary of the " zona reticularis" of the adrenal gland

SEM of immune system phagocyte ingesting bacteria
Phagocytic immune response. Scanning electron micrograph of a polymorphonuclear white blood cell (leucocyte) attacking Bacillus cereus bacteria

Coloured SEM of activated platelets in human blood

Blood cells, computer artwork
Blood cells. Computer artwork of red blood cells, white blood, white blood cells (blue) and platelets (yellow) travelling through the lumen of the blood vessel

Human blood cells, light micrograph
Human blood cells. Light micrograph of blood cells at a site of inflammation, showing red blood cells (erythrocytes, red) surrounded by many granulocytes (blue)

LM of human blood smear showing red & white cells
Healthy blood smear. Light micrograph of a smear of human blood consisting of a field of red blood cells (erythrocytes). Near centre is a single white blood cell (leucocyte) with a purple nucleus

SEM of bone marrow

Blood vessel leak, TEM
Blood vessel leak. Coloured transmission electron micrograph (TEM) of a white blood cell (centre, green and brown) leaking out of a blood vessel

Coronary thrombosis, light micrograph
Coronary thrombosis. Light micrograph of a section through a thrombus (blood clot) in the coronary artery of the heart. The clot is packed full of red blood cells (red)

Rheumatoid arthritis mechanism, artwork
Rheumatoid arthritis mechanism. Artwork showing various aspects of rheumatoid arthritis, the inflammation of the joints due to attack by the bodys own immune system

Budding HIV particles, TEM
Budding HIV particles. Coloured transmission electron micrograph (TEM) of HIV particles (blue and yellow) budding from the membrane of the host cell (orange)

Budding HIV particle, computer artwork
Budding HIV particle. Computer artwork of an HIV (human immunodeficiency virus) particle (green) exiting a T-lymphocyte (a type of white blood cell, lower left)

Blood stream, artwork

Artery, TEM
Artery. Coloured transmission electron micrograph (TEM) of a transverse section through an artery. Red blood cells (erythrocytes, red) and white blood cells (leucocytes)

B-cell, SEM
B-cell, coloured scanning electron micrograph (SEM). B-cells are a type of white blood cell involved in immune respone. They account for 10 per cent of the bodys lymphocytes

White blood cell, artwork

Cells from a urine infection, SEM
Cells from a urine infection. Coloured scanning electron micrograph (SEM) of crenated red blood cells, white blood cells and epithelial cells present in a urine sample taken from someone with a

Neutrophil, SEM
Neutrophil. Coloured scanning electron micrograph of an activated neutrophil white blood cell from a patient with a urinary tract infection

Macrophages, SEM
Macrophages. Coloured scanning electron micrograph (SEM) of macrophage white blood cells. Macrophages are cells of the bodys immune system

Macrophage, SEM
Macrophage. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell. Macrophages are cells of the bodys immune system

Lymphocyte white blood cell, SEM
Lymphocyte white blood cell. Coloured scanning electron micrograph (SEM) of a section through a lymphocyte, showing the cell nucleus (upper centre) and cytosol (blue)

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"Exploring the Mighty Defenders: Leukocytes and their Battle against Disease" In this captivating collection of images, we delve into the fascinating world of leukocytes, our body's mighty defenders against various diseases. First up, we witness the incredible power of T lymphocytes as they engage in a fierce battle with cancer cells. SEM C001 / 1679 reveals an epic showdown between these two forces. Moving on to another remarkable image, Neutrophil engulfing MRSA (SEM C018 / 8596) showcases the extraordinary ability of neutrophils to devour harmful bacteria such as Methicillin-resistant Staphylococcus aureus. Next, TEM unveils a close-up view of a human white blood cell bearing HLA antigen. This intricate image highlights the complexity and diversity within our immune system. A burst of color awaits us in Coloured SEM of a white blood cell (lymphocyte), showcasing the vibrant nature that lies within these essential cells. Meanwhile, Basophil white blood cell reminds us that even amidst chaos, there are specialized warriors ready to combat any threat. The delicate balance between red and white blood cells is beautifully captured in Red and white blood cells (SEM). This harmonious coexistence ensures our bodies remain healthy and functional. Micrograph enthusiasts will appreciate Dohle bodies in blood cell micrograph - an intriguing glimpse into abnormal cellular structures that can indicate certain health conditions like infections or inflammation. Shifting gears towards Plasma cells (TEM), we witness their crucial role in producing antibodies to fight off infections effectively. Their unique appearance underlines their significance in maintaining our overall well-being. Acute promyelocytic leukemia takes center stage next with its distinct features showcased through a powerful micrograph. This visual representation sheds light on this specific type of cancer affecting immature myeloid cells. Phagocytosis takes center stage once again as fungal spores become prey for vigilant macrophages in Phagocytosis of fungal spores (SEM).