Capillary Collection (page 6)

Capillaries, SEM
Capillaries. Coloured scanning electron micrograph of a network of capillaries in fat (adipose) tissue. The capillaries are the smallest of the bodys blood vessels

Coronary capillary, SEM
Coronary capillary. Coloured scanning electron micrograph (SEM) of a section through a freeze- fractured coronary capillary blood vessel

Electron micrograph of blood capillaries in muscle
Blood capillaries. Coloured scanning electron micrograph of a network of blood capillaries from striated (skeletal) muscle

Coloured SEM of capillaries of the gall bladder
Capillaries of the gall bladder. Coloured Scanning Electron Micrograph (SEM) of blood vessels lining the wall of the gall bladder

TEM of transverse section through blood capillary
False-colour transmission electron micrograph (TEM) of a transverse section through a blood capillary, showing a single red blood cell in centre

Artwork based on SEM of microcapillary network

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 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

False-colour SEM of skeletal muscle fibres
Muscle. False-colour scanning electron micrograph of a bundle of skeletal muscle fibres (red), also known as striated muscle fibres, and a few capillaries (blue)

Fracture, computer artwork
Bone fracture. Computer artwork showing detail of a bone fracture. The capillary (red) has remained intact. All fractures are reset into position and the bone heals naturally

Kidney disease, TEM
Kidney disease. Coloured transmission electron micrograph (TEM) of a section through the glomerulus of a kidney affected by membranous neuropathy

Marcello Malpighi, Italian biologist
Marcello Malpighi (1628-1694), Italian biologist. Malpighi was a physician by training, graduating at Bologna in 1653. Malpighis observations through his microscope were to revolutionise anatomy

Inflamed kidney, light micrograph
Inflamed kidney. Light micrograph of a section through a kidney with acute nephritis (inflammation). There are areas of necrosis (tissue death) within the glomerulus (centre)

Lung blood vessel, SEM
Lung blood vessel. Coloured scanning electron micrograph (SEM) of blood vessels around alveoli (air spaces, dark brown) in the lungs. Erythrocytes (red blood cells) are seen in the blood vessel

Arteries, 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

Glomerular capillary, TEM
Glomerular capillary. Coloured transmission electron micrograph (TEM) of a section through kidney tissue, showing a capillary from a glomerulus. Glomeruli filter waste products from the blood

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)

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

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"Exploring the Intricate Network of Capillaries: A Journey through the Human Digestive System and Artistic Renderings" Step into the mesmerizing world of capillaries, where intricate pathways weave their way through our bodies. In this captivating journey, we delve into various organs and tissues to uncover the beauty and functionality of these tiny blood vessels. Starting with a closer look at the kidney glomerulus under a scanning electron microscope (SEM), we witness its complex structure that filters waste products from our blood. The delicate web-like arrangement of capillaries ensures efficient filtration, enabling our kidneys to maintain proper balance in our body. Moving on to another SEM image, we discover thyroid gland capillaries intricately intertwined within this vital endocrine organ. These microscopic vessels play a crucial role in delivering hormones throughout our body, ensuring proper metabolism and growth. As we continue exploring kidney glomeruli under SEM once again, their unique architecture comes into focus. These clusters of capillaries enable selective reabsorption and excretion processes necessary for maintaining fluid balance in our bodies. Shifting gears slightly, we turn towards retina blood vessels captured by SEM. Here, these tiny capillaries supply oxygen-rich blood to nourish the light-sensitive cells responsible for vision – an exquisite example of nature's design meeting function. Intriguingly, computer artwork showcases red blood cells flowing gracefully through capillary networks. This imaginative representation reminds us how essential these vessels are in transporting oxygen and nutrients while removing waste products throughout every corner of our bodies. Diving deeper into muscle tissue with false-color SEM imagery reveals pericyte-covered capillaries. Pericytes act as guardians protecting these fragile vessels while also playing a role in regulating blood flow – an elegant symbiotic relationship between cells within us. Concluding this captivating journey is yet another glimpse at kidney glomeruli but now observed through light microscopy. This traditional technique highlights their distinct appearance and allows us to appreciate the intricate details of these vital structures.