Erythrocytes Collection

Sleeping sickness parasite
Sleeping sickness. Artwork of a trypanosome (Trypanosoma brucei) moving past human red blood cells in the blood. This protozoan is the cause of sleeping sickness (African trypanosomiasis)

Uterus lining during menstruation, SEM
Uterus during menstruation. Coloured scanning electron micrograph (SEM) of the lining of the uterus being shed during menstruation

Blood cells, computer artwork. Red blood cells (red), or erythrocytes, are biconcave disc-shaped cells that are responsible for supplying tissues with oxygen

Blood coagulation cascade, artwork C016 / 9873
Blood coagulation cascade. Artwork of the biochemical cascade of blood chemicals and proteins during blood clotting (coagulation). The blood vessel and its layered wall is at upper left

Red and white blood cells, SEM
Human red and white blood cells, coloured scanning electron micrograph (SEM). Magnification x5167 at an image size of 10 cm wide

Blood clot, SEM C016 / 9753
Blood clot. Coloured scanning electron micrograph (SEM) of a blood clot from the inner wall of the left ventricle of a heart

Blood clot, SEM C016 / 9747
Blood clot, coloured scanning electron micrograph (SEM). Red blood cells (erythrocytes) are trapped within a fibrin protein mesh (beige)

Red blood cells, SEM
Red blood cells, coloured scanning electron micrograph (SEM)

Red blood cells and heart. Computer artwork of a heart on the silhouette of a person and red blood cells (erythrocytes). The heart is a hollow muscle that pumps blood around the body

Blood clot, SEM
Blood clot, coloured scanning electron micrograph (SEM). Red blood cells are red and fibrin protein strands are green. Platelets are at bottom right

Red blood cells, SEM
Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells

Blood clot on plaster, SEM
Blood clot on plaster. Coloured scanning electron micrograph (SEM) of blood clotting on the surface of a sticking plaster used to dress a small cut

Red blood cells, computer artwork
Red blood cells. Computer artwork of human red blood cells (erythrocytes) in a blood vessel

Mouse malaria parasite, SEM
Mouse malaria parasite. Coloured scanning electron micrograph (SEM) of a Plasmodium berghei protozoan (yellow) and red blood cells. P. berghei is the parasite that causes malaria in mice

Diabetes education, blood viscosity
MODEL RELEASED. Diabetes education. Nurse using models to demonstrate high blood viscosity to a diabetic patient

Red blood cells, light micrograph C016 / 3035
Red blood cells. Differential interference contrast (DIC) micrograph of red blood cells (erythrocytes)

Human Red Blood Cells, SEM
Human red blood cells, coloured composite scanning electron micrograph (SEM)

Red blood cell, SEM
Red blood cell, coloured scanning electron micrograph (SEM). Red blood cells (erythrocytes) are carriers of oxygen and carbon dioxide

Blocked artery, computer artwork
Blocked artery. Computer artwork of a clot of blood cells (thrombus, red) in an artery affected by atherosclerosis. This is a narrowing of an artery due to fatty deposits (yellow) on its inner walls

Narrowed artery, computer artwork
Narrowed artery. Computer artwork of a narrowed artery, showing red blood cells (red) and high levels of low density lipoprotein (LDL, yellow balls)

Six red blood cells

Blood clot, SEM C016 / 9751
Blood clot, coloured scanning electron micrograph (SEM). Red blood cells (erythrocytes) are trapped within a fibrin protein mesh (beige)

Blood clot, SEM C016 / 9746
Blood clot, coloured scanning electron micrograph (SEM). Red blood cells (erythrocytes) are trapped within a fibrin protein mesh (beige)

Blood clot, SEM C016 / 9749
Blood clot, coloured scanning electron micrograph (SEM). Red blood cells (erythrocytes) are trapped within a fibrin protein mesh (beige)

Blood clot, SEM C017 / 7141
Blood clot, coloured scanning electron micrograph (SEM). Red blood cells (erythrocytes) and a white blood cell (purple) trapped within a fibrin protein mesh (cream)

Blood clot, SEM C016 / 9750
Blood clot, coloured scanning electron micrograph (SEM). Red blood cells (erythrocytes) are trapped within a fibrin protein mesh (beige)

Blood clot, SEM C016 / 9752
Blood clot, coloured scanning electron micrograph (SEM). Red blood cells (erythrocytes) are trapped within a fibrin protein mesh (beige)

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)

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

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

Immunotherapy, artwork
Immunotherapy. Computer artwork of immunotherapy being used to destroy a tumour (right). Immunotherapy uses the bodys immune system to fight a disease

Haematopoietic stem cells, artwork
Haematopoietic stem cells

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

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

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

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

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

Heart tissue, SEM C015 / 9598
Heart tissue. Coloured scanning electron micrograph (SEM) of heart tissue with red blood cells (erythrocytes, red) and connective tissue (orange)

Red blood cells, SEM C015 / 8789
Red blood cells. Coloured scanning electron micrograph (SEM) of human red blood cells (erythrocytes)

Red blood cells, SEM C015 / 8792
Red blood cells. Coloured scanning electron micrograph (SEM) of human red blood cells (erythrocytes)

Red blood cells, SEM C015 / 8794
Red blood cells. Coloured scanning electron micrograph (SEM) of human red blood cells (erythrocytes)

Red blood cells, SEM C015 / 8796
Red blood cells. Coloured scanning electron micrograph (SEM) of human red blood cells (erythrocytes)

Red blood cells, SEM C015 / 8790
Red blood cells. Coloured scanning electron micrograph (SEM) of human red blood cells (erythrocytes)

Blood clot, SEM C015 / 9608
Blood clot. Coloured scanning electron micrograph (SEM) of a blood clot from the inner wall of the left ventricle of a heart

Heart tissue, SEM C015 / 9541
Heart tissue. Coloured scanning electron micrograph (SEM) of heart tissue with red blood cells (erythrocytes)

Reticulosarcoma, light micrograph C015 / 7133
Reticulosarcoma. Light micrograph of reticulocyte blood cells (red, one at upper left) from a lymphatic ganglion in a case of reticulosarcoma

Red blood cells, SEM C015 / 8793
Red blood cells. Coloured scanning electron micrograph (SEM) of human red blood cells (erythrocytes)

Red blood cells, SEM C015 / 8795
Red blood cells. Coloured scanning electron micrograph (SEM) of human red blood cells (erythrocytes)

Red blood cells, SEM C015 / 8787
Red blood cells. Coloured scanning electron micrograph (SEM) of human red blood cells (erythrocytes)

Red blood cells, SEM C015 / 8791
Red blood cells. Coloured scanning electron micrograph (SEM) of human red blood cells (erythrocytes)

Red blood cells, SEM C015 / 8788
Red blood cells. Coloured scanning electron micrograph (SEM) of human red blood cells (erythrocytes)

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 clot, SEM C016 / 9744
Blood clot, coloured scanning electron micrograph (SEM). Red blood cells (erythrocytes) are trapped within a fibrin protein mesh (beige)

Blood clot, SEM C014 / 0381
Blood clot. Coloured scanning electron micrograph (SEM) of a blood clot (thrombus) in an arteriole (small blood vessel) of a salivary gland

Blood clot, SEM C014 / 0380
Blood clot. Coloured scanning electron micrograph (SEM) of a blood clot (thrombus) in an arteriole (small blood vessel) of a salivary gland

Narrowed artery, artwork
Narrowed artery. Computer artwork of a section through an artery (horizontal, centre) affected by atherosclerosis, showing red blood cells (red) and fat deposits (cream)

Arteriole, TEM
Arteriole. Transmission electron micrograph (TEM) of a section through a small calibre arterial vessel called an arteriole

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)

Red blood cells, SEM C016 / 8027
Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (erythrocytes)

Red blood cells, artwork C013 / 5932
Red blood cells (erythrocytes), computer artwork

Atheromatous artery, artwork C015 / 6445
Atheromatous artery. Computer artwork showing the interior of an artery affected by atherosclerosis

Atheromatous artery, artwork C015 / 6446
Atheromatous artery. Cutaway computer artwork showing the interior of an artery affected by atherosclerosis

Sickle cell anaemia, light micrograph C015 / 6395
Sickle cell anaemia. Light micrograph of a blood smear showing normally rounded red blood cells that have become curved, elongated sickle-shaped cells

Erythropoietin hormone complex C016 / 4461
Erythropoietin hormone complex. Computer model showing the secondary structure of a molecule of the human hormone Erythropoietin (EPO), complexed with an erythropoetin receptor molecule

Erythropoietin hormone complex C016 / 4458
Erythropoietin hormone complex. Computer model showing the secondary structure of a molecule of the human hormone Erythropoietin (EPO), complexed with an erythropoetin receptor molecule

Erythropoietin hormone complex C016 / 4451
Erythropoietin hormone complex. Computer model showing the secondary structure of a molecule of the human hormone Erythropoietin (EPO), complexed with an erythropoetin receptor molecule

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)

Red blood cells, light micrograph C016 / 3036
Red blood cells. Differential interference contrast (DIC) micrograph of red blood cells (erythrocytes)

Erythropoietin hormone complex. Computer model showing the secondary structure of a molecule of the human hormone Erythropoietin (EPO), complexed with an erythropoetin receptor molecule

Red blood cells (erythrocytes), artwork C013 / 8812
Red blood cells (erythrocytes), computer artwork

Anaemia, conceptual image C013 / 7788
Anaemia, conceptual image. Computer artwork of anaemic red blood cells, which are no longer red as they have lost their haemoglobin and therefore their ability to carry iron

Blood clot C013 / 7129
Blood clot. Coloured scanning electron micrograph (SEM) of a blood clot (centre) forming in connective tissue

Blood clot C013 / 7128
Blood clot. Coloured scanning electron micrograph (SEM) of a blood clot (centre) forming in connective tissue

Blood-filled artery, SEM C013 / 7117
Blood-filled artery. Coloured scanning electron micrograph (SEM) of a section through an artery (dark brown) in muscle tissue (light brown), showing the red blood cells (erythrocytes, centre) inside

Blood-filled artery, SEM C013 / 7118
Blood-filled artery. Coloured scanning electron micrograph (SEM) of a section through an artery (centre) in muscle tissue, showing the red blood cells (erythrocytes, red) inside

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Erythrocytes, commonly known as red blood cells, play a vital role in our body's functions. These microscopic wonders are responsible for carrying oxygen to every cell and removing carbon dioxide waste. During menstruation, the lining of the uterus sheds, causing bleeding. Erythrocytes work tirelessly to transport oxygen-rich blood to this area, aiding in the healing process. In intricate SEM (scanning electron microscope) images, we can witness the beauty of these blood cells up close. Their unique shape allows them to squeeze through narrow capillaries and reach even the tiniest corners of our bodies. The blood coagulation cascade is another fascinating aspect involving erythrocytes. Artwork C016 / 9873 showcases this complex process where platelets and clotting factors interact with red blood cells to form clots that prevent excessive bleeding when we get injured. SEM images also reveal red and white blood cells side by side – an army working together to defend us against infections and diseases. It's incredible how these tiny warriors fight off invaders while maintaining harmony within our bloodstream. Sometimes things go awry; parasites like those causing sleeping sickness or mouse malaria invade erythrocytes, disrupting their normal function. SEM imagery helps scientists study these pathogens' behavior inside our precious red blood cells so they can develop effective treatments. Blood clot formation is crucial for wound healing but can also pose risks if it occurs abnormally within vessels or organs. SEM image C016 / 9747 captures a detailed view of a clot on plaster – reminding us of both its importance and potential complications. Computer artwork beautifully illustrates the structure alongside other components like plasma proteins or heart muscles - showcasing their interconnectedness within our circulatory system. Erythrocytes truly deserve admiration for their tireless efforts in keeping us alive and healthy.