Circulatory Collection (page 5)

Blood vessels in the intestine, SEM
Blood vessels of the small intestine, coloured scanning electron micrograph (SEM). Large blood vessels (bottom) supply the intestine and encircle its outer wall (lower frame and upper left)

Blood vessels from intestinal villi, SEM
Blood vessels. Coloured scanning electron micrograph (SEM) of blood vessels from villi in the duodenum, part of the small intestine

Blood vessels from cardiac muscle, SEM
Blood vessels from cardiac muscle. Coloured scanning electron micrograph (SEM) of a resin cast of blood vessels from cardiac muscle

Blood vessels in the small intestine, SEM
Blood vessels from the external wall of the small intestine, coloured scanning electron micrograph (SEM). This is a cast: the vessels were filled with a resin, which then set

Blood vessels in the stomach wall, SEM
Blood vessels in the stomach wall, coloured scanning electron micrograph (SEM). This is a cast: the vessels were filled with a resin, which then set

Blood vessels from muscle, SEM
Blood vessels from skeletal muscle, coloured scanning electron micrograph (SEM). Skeletal, or voluntary, muscle is that under the conscious control of the brain

Blood vessels from a salivary gland, SEM
Blood vessels from a submandibular (submaxillary) salivary gland, coloured scanning electron micrograph (SEM). This is a cast: the vessels were filled with a resin, which then set

Blood vessels from the earlobe, SEM
Blood vessels from the earlobe (pinna), coloured scanning electron micrograph (SEM). This is a cast: the vessels were filled with a resin, which then set

Arteriole and red blood cells, SEM
Arteriole. Coloured scanning electron micrograph (SEM) of a cross-section through a small, thin- walled artery known as an arteriole

Blood vessels from the gums, SEM
Blood vessels from the gums, coloured scanning electron micrograph (SEM). This is a cast: the vessels were filled with a resin, which then set

Blood vessels from the pancreas, SEM
Blood vessels from the pancreas, coloured scanning electron micrograph (SEM). This is a cast: the vessels were filled with a resin, which then set

Blood vessels from the colon, SEM
Blood vessels from the colon (large intestine), coloured scanning electron micrograph (SEM). These vessels are from the capillary bed of the mucous membrane of the colon

Brain artery, SEM
Brain artery. Coloured scanning electron micrograph (SEM) of a freeze-fractured artery from the brain. The fracture plane has passed through the artery

Muscular artery. Light micrograph of a transverse section through a muscular artery. This blood vessel has a thick, muscular wall that enables it to carry blood under pressure

Circulatory system. Computer artwork of the circulatory system of the upper body. The heart, the hollow muscular organ that pumps blood around the body, is at lower centre

Hand circulation
Hand. Computer artwork of the blood supply to the human hand. Blood is supplied to the hand by two arteries: the radial on the thumb side of the wrist and the ulnar on the opposite side

Artwork of the human venous system (from Vesalius)
Venous system. Computer-enhanced illustration of the venous circulatory system in the human body, shown in a standing figure. The region of the heart is highlighted in yellow

Coloured illustration of blood supply to hand
Hand. Computer-enhanced historical artwork of the blood supply to the human hand. The skeleton of a right hand is seen covered with branching networks of blood vessels around the bones of the palm

Coloured illustration of blood vessels of arm
Blood supply to arm. Computer-enhanced historical illustration of the blood supply to the right arm. The top part of a human skeleton is seen with the right arm raised over the skull

False-colour engraving of the venous system
False-colour version of an engraving of the venous system from De Humani Corporis Fabrica (On the Structure of the Human Body) by Andreas Vesalius, first published in 1543

Vesalius: engraving of venous system
Engraving of the venous system from De Humani Corporis Fabrica (On the Structure of the Human Body) by Andreas Vesalius, first published in 1543

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)

Loss of lung tissue, X-ray
Lung cavities. Coloured chest X-ray showing large cavities (dark red) in the lungs of a patient in a case of Wegeners granulomatosis

Ruptured venule, SEM
Ruptured venule. Coloured scanning electron micrograph (SEM) of a ruptured venule running through fatty tissue. Stacked red blood cells (rouleaux formation)

Blood vessels of the arms, artwork

Human circulatory system, artwork
Human circulatory system and red blood cells, computer artwork. Veins are blue and arteries are red

Influenza, computer artwork. Influenza (flu) virus (yellow, bottom) in the bloodstream

Red blood cells and ECG, artwork
Red blood cells and ECG (electrocardiogram) trace, computer artwork

Skin blood supply, artwork
Skin blood supply. Computer artwork showing the structure of the microscopic loops of blood vessels that supply the epidermis, the outer layer of the skin

Retina blood vessel, SEM
Retina blood vessel. Coloured scanning electron micrograph (SEM) of a section through a blood vessel in the retina of an eye, showing the red blood cells (red)

Internal heart anatomy, artwork
Internal heart anatomy. Cutaway artwork revealing the four internal heart chambers and the heart valves and tendons (white). The two upper chambers are the atria

Lung alveolus blood supply, artwork. The alveoli (air sacs) are the site of gaseous exchange in the lungs. Carbon dioxide from de-oxygenated red blood cells (blue) passes from the capillaries

Stent to treat aortic aneurysm, CT scan
Coloured computed tomography (CT) angiography scan of the chest in a 55 year old diabetic patient showing three stents (endoprostheses)

Atherosclerosis in femoral arteries X-ray
Coloured X-ray (front view) of the pelvic region in a 72 year old patient showing atherosclerosis (mottled appearance) in the femoral arteries running on the inside of the femur (thigh) bones

Capillary, SEM
Capillary. Coloured scanning electron micrograph (SEM) of a red blood cell (erythrocyte) in a capillary. Magnification: x9000 when printed at 10 centimetres tall

Stroke causes, artwork
Stroke causes. Artwork showing the three causes of a stroke, a loss of brain function(s) due to an interruption in blood supply

Collateral circulation, artwork
Collateral circulation. Artwork demonstrating the benefits of collateral circulation. Collateral circulation is the development of alternative blood vessels to tissue that is already supplied by a

Electrical conduction of the heart. Artwork showing the impulse conduction system (yellow) of the human heart (left) and an electrocardiogram (ECG) of a normal heart rate (right)

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The circulatory system, also known as the cardiovascular system, is a complex network of blood vessels and organs that play a vital role in our overall health. Throughout history, artists have depicted this intricate system in their artwork, showcasing its importance and beauty. In 19th Century artwork, the neck anatomy was often portrayed with great detail. These illustrations highlighted the delicate neck vascular anatomy, emphasizing the interconnectedness of arteries and veins within this region. Such depictions not only served as artistic expressions but also provided valuable insights into medical knowledge at that time. Similarly, foot anatomy was another subject explored by illustrators during the 19th Century. Their detailed illustrations showcased various structures within the foot while highlighting its connection to circulation. This understanding became particularly relevant when studying conditions such as migraines which can be influenced by blood flow patterns. One fascinating aspect health lies in the retina's blood vessels. Scanning electron microscopy (SEM) images reveal these tiny vessels intricately woven across our retinas like delicate threads of life itself. The visualization of these blood vessels allows us to appreciate their crucial role in maintaining healthy vision. However, sometimes complications arise within our circulatory system. SEM images capturing a blood clot on plaster serve as a stark reminder of potential dangers lurking within our bodies. These powerful visuals remind us to take care and seek medical attention if necessary. The relationship between red blood cells and heart function cannot be understated either; they work hand-in-hand to ensure oxygen supply throughout our bodies efficiently. Molecular models like leptin further deepen our understanding by illustrating how hormones influence both metabolism and cardiovascular health. Platelets are another essential component involved in maintaining proper circulation; SEM images provide an up-close look at these small cell fragments responsible for clotting when injury occurs—a remarkable defense mechanism protecting us from excessive bleeding. Hand anatomy has long been studied due to its complexity and dexterity; 19th Century illustrations beautifully captured this intricacy while also highlighting the role of blood vessels within our hands.