Red Blood Cell Collection (#3)

Blood clot, SEM P260 / 0123
Blood clot. Coloured scanning electron micrograph (SEM) of a blood clot. The red blood cells (erythrocytes) are trapped in filaments of fibrin protein (pink)

LM of live human blood cells
Light micrograph in interference contrast illumination of human blood cells. The majority of the cells seen are red cells, carriers of oxygen throughout the body

Colour SEM of red & white blood cells
Blood cells. Coloured scanning electron micrograph (SEM) of human blood showing red and white cells. Red blood cells (erythrocytes) have a characteristic biconcave-disc shape and are numerous

Blood smear, light micrograph F005 / 6090
Blood smear. Light micrograph showing normal red and white blood cells. At upper centre is monocyte, at top right and centre right are neutrophils, at bottom right is a basoophil

Red blood cells, artwork F005 / 0633
Red blood cells in a blood vessel, computer artwork

Blood clot, SEM C016 / 9745
Blood clot, coloured scanning electron micrograph (SEM). Red blood cells (erythrocytes) are trapped within a fibrin protein mesh (beige)

Red blood cells, artwork F006 / 2838
Red blood cells, computer artwork

Red blood cells, artwork F006 / 2731
Red blood cells, computer artwork

Red blood cells, artwork F006 / 2732
Red blood cells, computer artwork

Blood stream, artwork F006 / 2729
Blood stream, computer artwork

Blood stream, artwork F006 / 2730
Blood stream, computer artwork

Red blood cells, artwork F006 / 2726
Red blood cells, computer artwork

Red blood cells, artwork F006 / 2728
Red blood cells, computer artwork

Red blood cells, artwork F006 / 2727
Red blood cells, computer artwork

Red blood cells, artwork F007 / 0033
Red blood cells, computer artwork

Red blood cells, artwork F007 / 0034
Red blood cells, computer artwork

Red blood cells, artwork F007 / 0035
Red blood cells in a blood vessel, computer artwork

Red blood cells, artwork F007 / 0036
Red blood cells in a blood vessel, computer artwork

Red blood cells, artwork F006 / 8607
Red blood cells, computer artwork

Blood stream, artwork F006 / 8606
Blood stream, computer artwork

Blood clot, SEM C016 / 9748
Blood clot, coloured scanning electron micrograph (SEM). Red blood cells (erythrocytes) are trapped within a fibrin protein mesh (beige)

Activated platelets, artwork F006 / 8056
Activated platelets, computer artwork

Activated platelets, artwork F006 / 8055
Activated platelets, computer artwork

Activated platelets, artwork F006 / 8054
Activated platelets, computer artwork

Blood stream, artwork F006 / 7964
Blood stream, computer artwork

Blood stream, artwork F006 / 7963
Blood stream, computer artwork

Blood stream, artwork F006 / 7962
Blood stream, computer artwork

Blood stream, artwork F006 / 7961
Blood stream, computer artwork

Haematopoietic stem cells, artwork
Haematopoietic stem cells. Cutaway computer artwork showing white blood cells (leucocytes, white, round), red blood cells (erythrocytes, red) and haematopoietic stem cells (HSCs)

Blood clot, SEM C016 / 9088
Blood clot. Coloured scanning electron micrograph (SEM) of a section through a blood clot (thrombus) in an arteriole (small blood vessel), showing red blood cells (red) in a fibrin mesh (green)

Crenated red blood cells, SEM C016 / 9029
Crenated red blood cells. Coloured scanning electron micrograph (SEM) of a section through an arteriole (small blood vessel), showing crenated red blood cells inside

Human bone structure, artwork C016 / 7494
Human bone structure. Computer artwork showing all the different parts that make up a human bone, including the bone marrow (bottom left) where blood cells (round, white and red) are formed

Blood clot, SEM C016 / 9089
Blood clot. Coloured scanning electron micrograph (SEM) of a section through a blood clot (thrombus) in an arteriole (small blood vessel), showing red blood cells (red) in a fibrin mesh (bright pink)

Atherosclerosis in artery, artwork C016 / 6571
Atherosclerosis in artery. Artwork of a longitudinal section through an artery that has been narrowed by atherosclerosis. Narrowing is referred to as stenosis

Coronary blood clot, SEM C016 / 9133
Coronary blood clot. Coloured scanning electron micrograph (SEM) of a blood clot (thrombus) in the coronary artery, showing red blood cells (purple) in a fibrin mesh (threads)

Elliptocytosis, light micrograph
Elliptocytosis. Light micrograph of red blood cells in a case of elliptocytosis. Red blood cells (erythrocytes) carry oxygen and carbon dioxide to and from body tissues

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

Pernicious anaemia, light micrograph
Pernicious anaemia. Light micrograph of megaloblast blood cells from bone marrow in a case of pernicious anaemia, also known as Biermers anaemia

Blood cell cancer, light micrograph
Blood cell cancer. Light micrograph of blood cells from a lymphatic ganglion in a case of a blood cancer of a mixed cell type

Erythroblast blood cell, light micrograph
Erythroblast blood cell. Light micrograph of cells from a sample of bone marrow, including a polychromatic erythroblast (upper left). This one has multiple cell nuclei (dark red, four in total)

Acute erythroid leukaemia, micrograph
Acute erythroid leukaemia. Light micrograph of blood cells from bone marrow in a case of acute erythroid leukaemia. The cells include dystrophic (degenerated) erythroblasts (nuclei stained dark red)

Capillary, TEM
Capillary. Transmission electron micrograph (TEM) of a section through a capillary, showing two red blood cells (erythrocytes, black) in its interior

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)

Reticulosarcoma, light micrograph
Reticulosarcoma. Light micrograph of reticulocyte blood cells (red, one at upper left) from a lymphatic ganglion in a case of reticulosarcoma

Drug effect on viruses, conceptual image C016 / 6253
Drug effect on viruses, conceptual image. Computer artwork showing a single strand of DNA (deoxyribonucleic acid, spiral, centre), red blood cells (pink), virus particles (virions, green, small)

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)

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Red blood cells, also known as erythrocytes, are the most abundant type of blood cell in our bodies. These tiny cells play a crucial role in maintaining our overall health and well-being. In athlete physiology they can especially important as they carry oxygen from the lungs to every part of the body. This ensures that muscles receive an adequate supply of oxygen during physical activity, enhancing performance and endurance. Artwork depicting the intricate structure of red blood cells showcases their unique shape - biconcave discs without nuclei. This design allows for flexibility and efficient transport through narrow capillaries. The process of blood coagulation cascade is essential for wound healing and preventing excessive bleeding. Artwork illustrating this complex mechanism highlights how red blood cells interact with platelets and clotting factors to form a stable clot, sealing off damaged vessels. Scanning electron microscopy (SEM) images provide detailed views of various aspects related to red blood cells. One such image displays a close-up view of a blood clot formed by these specialized cells (SEM C016 / 9747). Another SEM image reveals infected red blood cells invaded by mouse malaria parasites (SEM). A diagram showcasing the bloodstream inside a vein demonstrates how red and white blood cells along with platelets flow together within our circulatory system. It emphasizes their collective effort in delivering nutrients, removing waste products, and defending against pathogens. Computer artwork beautifully portrays vibrant red blood cells flowing through arteries and veins, emphasizing their vital role in sustaining life throughout our bodies. Lastly, highlighting the connection between red blood cells and heart reminds us that these remarkable microscopic entities work tirelessly alongside our cardiovascular system to ensure proper circulation throughout every organ and tissue.