Circulatory Collection (page 7)

Heart conduction system, artwork
Heart conduction system. Artwork showing the impulse conduction system (red) of the human heart. The sinoatrial (SA) node consists of self-excitatory muscle cells that contract rhythmically at around

Vascular anatomy, historical artwork. 19th Century hand coloured lithographic print showing the arteries (red) and muscle structure (brown) of the human neck and chest

Heart and lungs, historical illustration. 19th Century hand coloured lithographic print showing the lungs (left and right) situated either side of the heart (lower centre)

Human arteries, 19th Century illustration. Historical hand coloured lithographic print showing the arteries (red) and muscle structure (brown) of the human torso

Chest anatomy, 19th Century illustration. Historical hand coloured lithographic print showing the lungs (centre) in the chest, larynx (voicebox, white, upper centre) in the throat

Head vascular anatomy, historical artwork. 19th Century hand coloured lithographic print showing the arteries (red) and muscle structure (brown) of the human neck and head

Leg anatomy, 19th Century illustration. Historical hand coloured lithographic print showing the superficial veins (blue) of the lower leg and feet

Heart and neck, historical illustration. 19th Century hand coloured lithographic print showing the major blood vessels (red and blue) and nerves (white) that pass through the human neck

Heart anatomy, 19th Century illustration. Historical hand coloured lithographic print showing the blood vessels that supply the human heart

Circulatory system, 19th Century artwork. Historical hand coloured lithographic print showing the main arteries (red), veins (blue) and lymph vessels (white threads)

Cupping, historical artwork
Cupping. Historical artwork showing the use of suction cups, a form of traditional medicine used to bring bad blood to the surface from internal organs

Lazzaro Spallanzani, Italian biologist
Lazzaro Spallanzani (1729-1799), Italian biologist. In 1767, Spallanzanis experiments on sealed, well-boiled broth, questioned the theory of the spontaneous generation of microbes

Migraine mechanisms, artwork
Migraine mechanisms. Artwork showing the blood vessel and brain mechanisms thought to cause some types of migraines. It is thought that the trigger is nitric oxide (NO)

William Harvey, English physician
William Harvey (1578-1657), English physician. Harvey is considered the founder of modern physiology for his work on the circulation of the blood

Human male anatomy, artwork
Human male anatomy. Computer artwork showing the brain and heart of a healthy male in a running pose

Pentetrazol drug molecule. Computer model of Pentetrazol (PTZ), a potential drug candidate for Downs syndrome, formally used as a circulatory and respiratory stimulant under the trade name Metrazol

Diagram showing the circulation of the blood
A diagram showing the circulation of the blood, with veins, arteries and capillaries

Circulatory system, historical artwork. Blood is pumped away from the heart (upper centre) in arteries, and returns to the heart in veins

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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.