Leukocyte Collection (page 5)

Activated macrophage, SEM C015 / 6377
Activated macrophage. Coloured scanning electron micrograph (SEM) of an active macrophage white blood cell. Macrophages are cells of the bodys immune system that are found in the tissues rather than

Activated macrophage, SEM C015 / 6376
Activated macrophage. Coloured scanning electron micrograph (SEM) of an active macrophage white blood cell. Macrophages are cells of the bodys immune system that are found in the tissues rather than

Cell infected with HIV, SEM C014 / 0581
Cell infected with HIV. Coloured scanning electron micrograph (SEM) of HIV particles (round) budding from the membrane of a host cell

Cell infected with HIV, SEM C014 / 0580
Cell infected with HIV. Coloured scanning electron micrograph (SEM) of HIV particles (round) budding from the membrane of a host cell

Cell infected with HIV, SEM C014 / 0579
Cell infected with HIV. Coloured scanning electron micrograph (SEM) of HIV particles (round) budding from the membrane of a host cell

Cell infected with HIV, SEM C017 / 8338
Cell infected with HIV. Coloured scanning electron micrograph (SEM) of HIV particles (orange) budding from the membrane of a host cell

Cell infected with HIV, SEM C017 / 8339
Cell infected with HIV. Coloured scanning electron micrograph (SEM) of HIV particles (orange) budding from the membrane of a host cell

Cell infected with HIV, SEM C017 / 8337
Cell infected with HIV. Coloured scanning electron micrograph (SEM) of HIV particles (yellow) budding from the membrane of a host cell

Cell infected with HIV, SEM C017 / 8336
Cell infected with HIV. Coloured scanning electron micrograph (SEM) of HIV particles (pink) budding from the membrane of a host cell

Budding HIV particles, SEM C017 / 8302
Budding HIV particles. Coloured scanning electron micrograph (SEM) of human immunodeficiency virus (HIV) particles (yellow) budding from the surface of a T lymphocyte from the H9 cell line

Neutrophil engulfing MRSA, SEM C017 / 8301
Neutrophil engulfing MRSA. Coloured scanning electron micrograph (SEM) of a neutrophil white blood cell (purple) engulfing methicillin-resistant Staphylococcus aureus bacteria (MRSA, yellow)

Red and white blood cells, artwork C016 / 4629
Red and white blood cells, computer artwork. Red blood cells are biconcave, giving them a large surface area for gas exchange, and highly elastic

Red and white blood cells, artwork C016 / 4630
Red and white blood cells, computer artwork. Red blood cells are biconcave, giving them a large surface area for gas exchange, and highly elastic

White blood cell, artwork C016 / 4628
White blood cell, computer artwork. White blood cells are part of the bodys immune system

Antigen presentation, SEM C016 / 3105
Antigen presentation. Coloured scanning electron micrograph (SEM) showing the interaction between a macrophage (blue) and a T helper lymphocyte (Th cell, yellow)

Antigen presentation, SEM C016 / 3104
Antigen presentation. Coloured scanning electron micrograph (SEM) showing the interaction between a macrophage (brown) and a T helper lymphocyte (Th cell, red)

White blood cells, SEM C016 / 3102
White blood cells. Coloured scanning electron micrograph (SEM) of white blood cells (leucocytes) from a sample of peripheral blood

Blood cells, SEM C016 / 3101
Blood cells. Coloured scanning electron micrograph (SEM) of a variety of different white blood cells (leucocytes, blue/purple) with two red blood cells (erythrocytes)

Blood cells, SEM C016 / 3100
Blood cells. Coloured scanning electron micrograph (SEM) of a variety of different white blood cells (leucocytes, yellow/green) with two red blood cells (erythrocytes)

Blood cells, SEM C016 / 3096
Blood cells. Coloured scanning electron micrograph of a lymphocyte white blood cell (left) and a red blood cell (erythrocyte, right)

Macrophage and platelets, SEM C016 / 3094
Macrophage and platelets. Coloured scanning electron micrograph (SEM) of platelets (green) attached to a macrophage white blood cell (turquoise)

Platelets, SEM C016 / 3091
Platelets, coloured scanning electron micrograph (SEM). Platelets, or thrombocytes, are fragments of white blood cells. When blood clots

Lymphocyte white blood cell, SEM C016 / 3087
Lymphocyte white blood cell. Coloured scanning electron micrograph (SEM) of a lymphocyte white blood cell. Lymphocytes are involved in the immune systems defence mechanisms, lymph system

Lymphocyte white blood cell, SEM C016 / 3086
Lymphocyte white blood cell. Coloured scanning electron micrograph (SEM) of a lymphocyte white blood cell. Lymphocytes are involved in the immune systems defence mechanisms, lymph system

E. coli induced cell death, SEM C016 / 3078
E. coli induced cell death. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell (centre) that is being destroyed by toxins released by Escherichia coli (E)

E. coli induced cell death, SEM C016 / 3077
E. coli induced cell death. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell (centre) that is being destroyed by toxins released by Escherichia coli (E)

Lymph node, artwork C013 / 4632
Lymph node. Computer artwork of a section through a human lymph node. Lymph nodes are kidney-shaped structures located at intervals along lymph vessels (tubes)

Lymph node, artwork C013 / 4631
Lymph node. Computer artwork of a section through a human lymph node. Lymph nodes are kidney-shaped structures located at intervals along lymph vessels (tubes)

Macrophage engulfing a nerve cell, TEM C013 / 4803
Macrophage engulfing a nerve cell. Transmission electron micrograph (TEM) of a section through a macrophage white blood cell (blue) that has engulfed a nerve cell (neuron, centre)

T lymphocyte, SEM C013 / 4772
T lymphocyte. Coloured scanning electron micrograph (SEM) of a T lymphocyte white blood cell, or T cell, surrounded by fibrin strands

Blood cells, artwork C013 / 4726
Blood cells. Computer artwork of red blood cells (erythrocytes, red), white blood cells (leucocytes, white), and platelets (thrombocytes, yellow)

Blood cells, artwork C013 / 4707
Blood cells. Computer artwork of red blood cells (erythrocytes, red), white blood cells (leucocytes, white), and platelets (thrombocytes, yellow)

Mitosis, TEM
Mitosis, coloured transmission electron micrograph (TEM). Longitudinal section through a human T cell in metaphase. During mitosis two daughter nuclei are formed from one parent nucleus

Liver capillary, SEM
Liver capillary. Coloured scanning electron micro- graph (SEM) of a freeze-fractured section through liver tissue showing a hepatic capillary, or sinusoid

Coloured TEM of a basophil white blood cell
Polynuclear basophil. Coloured Transmission Electron Micrograph (TEM) of a basophil white blood cell. This basophil has one bi-lobed nucleus (yellow, lower centre) and a second nucleus at upper left

Phagocytosis of a yeast spore, SEM
Phagocytosis of a yeast spore. Coloured scanning electron micrograph (SEM) of a neutrophil (brown) phagocytosing (engulfing and destroying) a spore from the yeast Candida albicans (orange)

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)

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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).