Leucocytes Collection (#2)

Cystine in bone marrow, light micrograph
Cystine in bone marrow. Light micrograph of crystals of cystine among blood cells in a sample of bone marrow. Cystine is an amino acid that can form crystals in urine

Bone marrow blood cells, light micrograph

Blood cells, light micrograph
Blood cells. Light micrograph of red blood cells (erythrocytes, light blue) and white blood cells (leucocytes, nuclei stained purple)

Leukaemia cell, SEM
Leukaemia cell. Coloured scanning electron micrograph (SEM) of a leukaemic (cancerous) lymphocyte white blood cell (green), amongst normal red blood cells (erythrocytes, red)

Granulocyte blood cells, light micrograph
Granulocyte blood cells. Light micrograph of two types of granulocytes, a type of white blood cell (leucocyte). At left is a neutrophil, with an eosinophil at right

Antibodies and B cells, artwork C016 / 6255
Antibodies and B cells. Computer artwork showing antibodies (green) neutralising cytokine activity in B cell (large, round) white blood cells

Antibodies and B cells, artwork C016 / 6254
Antibodies and B cells. Computer artwork showing antibodies (green) neutralising cytokine activity in B cell (large, round) white blood cells

Normal and leukaemic blood, artwork C016 / 6261
Normal and leukaemic blood. Computer artwork comparing the appearance of normal blood (left) and that affected by leukaemia (right)

Gastritis, light micrograph C016 / 0508
Gastritis. Light micrograph of a section through an inflamed human stomach (gastritis), showing an abnormal accumulation of white blood cells (leucocytes)

Gastritis, light micrograph C016 / 0507
Gastritis. Light micrograph of a section through an inflamed human stomach (gastritis), showing an abnormal accumulation of white blood cells (leucocytes)

Blood cells, light micrograph C015 / 7130
Blood cells. Light micrograph of red blood cells (erythrocytes, red) and white blood cells (leucocytes, nuclei stained pink)

Blood cells, SEM C016 / 8026
Blood cells. Coloured scanning electron micrograph (SEM) of a lymphocyte white blood cell (centre) and red blood cells (erythrocytes, circular)

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

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

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)

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)

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

Blood clots, SEM
Blood clots. Coloured scanning electron micrograph (SEM) of small blood clots (red) in a blood vessel. The clots consist of red blood cells, white blood cells, and platelets

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)

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)

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)

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)

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)

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

Activated granulocytes, SEM
Activated granulocytes. Coloured scanning electron micrograph (SEM) of activated granulocyte, or polymorphonucleocytes (PMNs), white blood cells

Monocyte white blood cells, artwork
Monocyte white blood cells. Computer artwork of monocyte white blood cells, showing their lobed nuclei (purple, centre). Monocytes, like all white blood cells

Basophil white blood cells, artwork
Basophil white blood cells. Computer artwork of basophil white blood cells, showing their lobed nuclei (red). Basophils are the smallest and least common of the white blood cells

Lymph node, TEM
Lymph node. Coloured transmission electron micrograph (TEM) of a section through the peripheral corona of a lymph nodule, showing numerous small lymphocyte white blood cells (dark)

Eosinophil white blood cells, artwork
Eosinophil white blood cells. Computer artwork of eosinophil white blood cells, showing their lobed nuclei (centre). Eosinophils, like all white blood cells, are part of the immune system

Immune system, artwork
Immune system. Computer artwork showing how T-cells (right), antibodies (Y-shaped) and antigen-presenting cells (APC, left) interact during an immune response

Human immune response, artwork
Human immune response. Computer artwork showing the interactions of the various white blood cells (purple) involved during an immune response in the human body

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"Exploring the Intricate World of Leucocytes: A Journey through Blood Coagulation Cascade and Cellular Artwork" In this captivating caption, we delve into the fascinating realm of leucocytes, also known as white blood cells. These microscopic warriors play a crucial role in our immune system's defense against harmful invaders. The journey begins with artwork C016/9873, which depicts the intricate process of the blood coagulation cascade. This mesmerizing image showcases how leucocytes work alongside other components to form clots and prevent excessive bleeding. Moving on to scanning electron microscopy (SEM), we witness the beauty of red and white blood cells in stunning detail. SEM images such as C016/3099 and C016/3098 showcase these cellular marvels side by side with platelets, highlighting their collective effort in maintaining our health. Transitioning to transmission electron microscopy (TEM), plasma cells take center stage in TEM imagery. These specialized white blood cells are responsible for producing antibodies that target specific pathogens, safeguarding us from infections. The TEM image reveals their unique structure and function (TEM). Next up is an activated macrophage captured through SEM (C015/6375). This powerful defender engulfs foreign particles or damaged cells, playing a critical role in immune responses. Artwork showcasing lymphocyte white blood cells reminds us of their diversity and importance within our immune system's arsenal. Each type has its own distinct function but works together harmoniously to protect our bodies from harm. As we explore further under SEM lenses, monocyte white blood cell (SEM C016 / 3089) comes into view – another versatile player capable of transforming into different types of immune defenders when needed. No exploration would be complete without acknowledging human red blood cells' essential role in transporting oxygen throughout our bodies efficiently - beautifully showcased via SEM imagery. Finally, multiple SEM images highlight various aspects of general "blood cell" morphology, emphasizing the intricate beauty within our circulatory system.