Erythrocyte Collection

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 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

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

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

Human red blood corpuscles
Scanning electron microscope (SEM) of red blood cells showing their characteristic biconcave shape which increases the surface area for diffusion

Red blood cells, SEM
Red blood cells, coloured scanning electron micrograph (SEM). Red blood cells (erythrocytes) are biconcave, giving them a large surface area for gas exchange, and highly elastic

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

Lung tissue, TEM
Lung tissue, coloured transmission electron micrograph (TEM). A single alveolus is at center. At top right is a pulmonary capillary containing a red blood cell (red) and a platelet (yellow)

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 vessel. Coloured scanning electron micrograph (SEM) of a section through a blood vessel in the skin. The vessel contains red blood cells (erythrocytes, red). Magnification unknown

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. Red blood cells are biconcave, giving them a large surface area for gas exchange, and highly elastic

Red blood cells. Computer artwork of human red blood cells (erythrocytes). Red blood cells are biconcave, giving them a large surface area for gas exchange, and highly elastic

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

Histopathology and pathophysiology of diabetic food ulcers

Conceptual image of platelet, red blood cell and white blood cell

Microscopic view of a leukemia cell

Coloured SEM of red blood cells, rouleau formation
Red blood cells. Coloured scanning electron micrograph of red blood cells in rouleau formation. They often stack together in this way because of their shape

Diabetes education, blood viscosity
MODEL RELEASED. Diabetes education. Nurse using models to demonstrate high blood viscosity to a diabetic patient. The models show red blood cells in healthy blood at left

Blood clot, artwork C016 / 4619
Blood clot in a blood vessel, computer artwork. Red blood cells (erythrocytes) are trapped within a fibrin protein mesh (cream)

Red blood cells, light micrograph C016 / 3035
Red blood cells. Differential interference contrast (DIC) micrograph of red blood cells (erythrocytes). Red blood cells are biconcave, giving them a large surface area for gas exchange

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

False-colour SEM of blood cells on endocardium
Red Blood cells inside the heart: false-colour scanning electron micrograph (SEM) of red & white blood cells on the endocardium, the lining of the heart

Cardiac muscle and capillary, TEM
Cardiac muscle. Coloured transmission electron micrograph (TEM) of cardiac muscle fibrils (purple)from a healthy heart. Mitochondria (green) supply the muscle cells with energy

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

Blood flow through a relaxed artery verus an artery in spasm

Microscopic view of white blood cells inside blood vessel

Cancer cell with red blood cell flow

Arteries on heart showing atherosclerotic plaque in an artery

Microscopic view of blood clotting inside the artery

Artery cross-section with blood flow and stent deployment
Microscopic view of an artery cross-section with blood flow and stent deployment

African trypanosomiasis in the red blood cells. African trypanosomiasis, also known as sleeping sickness, is a parasitic infection caused by protozoa

Conceptual image of ebola virus in blood stream

Microscopic view of red blood cells

Acute coronary syndrome - microvascular obstruction

Red blood cells with leukocytes

Microscopic view of blood cells with virus

Nerve ending, seen in lower right, sends pain message from injured muscle. Blood vessel and immune cells are seen in the center and upper right of image

Thrombus forming on valve within vein

Blood vessel with platelets, white blood cells and red blood cells

Normal artery compared to plaque and thrombus formation in artery

Conceptual image of ebola virus in artery

Conceptual image of hemoglobin and red blood cells. Hemoglobin is a protein responsible for transporting oxygen in the red blood cells of vertebrates

Red blood cell flow inside the artery

Microscopic view of H5N1 virus with red blood cells and white blood cells

Conceptual image of platelets with red blood cells
Conceptual image of platelets with white blood cells and red blood cells

Conceptual image of chromosomes inside the blood stream

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"Erythrocyte: The Lifeline of Blood" Erythrocytes, commonly known as red blood cells, play a crucial role in our circulatory system. These tiny, disc-shaped cells are responsible for transporting oxygen from the lungs to every tissue and organ in our body. During menstruation, the uterus lining sheds and erythrocytes come into action. They help deliver necessary nutrients and oxygen to support the regrowth of this lining, ensuring a healthy reproductive cycle. Under scanning electron microscopy (SEM), these remarkable blood cells reveal their intricate structure. Their biconcave shape allows for maximum surface area exposure, facilitating efficient gas exchange within our bodies. The importance of erythrocytes extends beyond just oxygen transport. They also contribute to the complex process of blood coagulation cascade – an essential mechanism that prevents excessive bleeding when injuries occur. Artwork C016/9873 beautifully illustrates this intricate cascade that leads to clot formation. In SEM image C016/9747, we witness a close-up view of a blood clot formed by platelets and fibrin strands working together harmoniously to seal wounds effectively. Human red blood corpuscles captured under SEM showcase their vibrant nature while reminding us of their vital function within our bloodstream - maintaining homeostasis by carrying carbon dioxide back to the lungs for elimination. Even parasites like mouse malaria can be observed through SEM attached to erythrocytes - highlighting how these cells serve as hosts during infection but also become targets for immune responses against such invaders. Blood vessels act as highways where erythrocytes travel tirelessly throughout our bodies. These microscopic highways ensure proper distribution of nutrients and removal of waste products from various tissues they reach. SEM images further unveil intriguing details about erythrocyte behavior; one such example is seen in an image depicting a blood clot forming on plaster's surface – showcasing how these incredible cells respond swiftly when faced with injury or damage outside the body too.