Endothelium Collection

Cell structure. Confocal light micrograph of cultured endothelial cells. A fluorescent dye has been used to show the cell structure

Renal glomerulus
The renal glomerulus is a network (tuft) of capillaries that performs the first step of filtering blood

Anatomy of bowmans glomerular capsule

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

Artist depcition of glomerulus capillaries

Renal Corpuscle and the filtration membrane. Glomerular capillary surrounded by podocytes

Blood vessel anatomy

Capillary, TEM
Capillary. Transmission electron micrograph (TEM) of a section through a capillary, showing two red blood cells (erythrocytes, black) in its interior

High endothelial venule, TEM C014 / 1446
High endothelial venule. Transmission electron micrograph (TEM) of a section through a high endothelial venule (HEV). Venules are tiny veins that transport deoxygenated blood from the capillary beds

High endothelial venule, TEM C014 / 1445
High endothelial venule. Transmission electron micrograph (TEM) of a section through a high endothelial venule (HEV). Venules are tiny veins that transport deoxygenated blood from the capillary beds

Intestinal arteriole, TEM
Intestinal arteriole. Transmission electron micrograph (TEM) of a section through an arteriole in the wall of the small intestine. Magnification: x5000 when printed 10 centimetres wide

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

Gastrointestinal disorders, artwork C016 / 8734
Gastrointestinal disorders. Artwork of part of the digestive system, showing ulcers on the internal lining of the stomach (centre right) and the internal lining of the duodenum (centre left)

Adrenal gland, fluorescence micrograph C016 / 8472
Adrenal gland. Fluorescence deconvolution micrograph of a section through an adrenal gland, showing the zona glomerulosa and zona fasciculata

Coloured SEM of blood vessel with red blood cells
Blood vessel. Coloured scanning electron micrograph (SEM) of a longitudinal section through a blood vessel showing its blood cells (red)

SEM of endothelium lining of artery
Arterial endothelium. Coloured Scanning Electron Micrograph (SEM) of the internal lining, or endothelium, of an artery. Arteries carry blood away from the heart

Contracted artery, TEM
Contracted elastic artery. Coloured transmission electron micrograph (TEM) of a section through an artery. Red blood cells (erythrocytes) are seen in the lumen (top centre)

Blood clots, SEM
Blood clots. Coloured scanning electron micrograph (SEM) of small blood clots (red) in a blood vessel. The clots consist of red blood cells, white blood cells, and platelets

Coronary artery, TEM
Coronary artery. Coloured transmission electron micrograph (TEM) of a cross-section through the wall of a coronary artery

Ovarian blood vessel, SEM
Ovarian blood vessel. Coloured scanning electron micrograph (SEM) of a section through a blood vessel in an ovary. Red blood cells are seen in the lumen, which is lined with endothelial cells (brown)

Heart blood vessels, SEM
Heart blood vessels. Coloured scanning electron micrograph (SEM) of a freeze-fractured section through cardiac muscle, exposing the blood vessels of the heart

Ovarian artery, SEM
Ovarian artery. Coloured scanning electron micrograph (SEM) of an ovarian artery that has been freeze-fractured to show internal details

Arteriole, SEM
Arteriole. Coloured scanning electron micrograph (SEM) of a cross-section through a small human artery known as an arteriole. Red blood cells and some fibrin fibres are seen in the central lumen

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

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

Stressed culture cell, SEM

Capillary and red blood cell, TEM
Capillary and red blood cell, coloured transmission electron micrograph (TEM). This cross-section shows a single red blood cell almost filling the lumen of the capillary

Heart blood vessel wall, TEM

Heart ventricle, SEM
Heart ventricle. Coloured scanning electron micrograph (SEM) of a fracture through a heart to show the interior of the ventricle. Erythrocytes (red blood cells) are seen within the ventricle

Blood vessel repair, artwork
Blood vessel repair. Computer artwork showing the various cellular mechanisms and interactions involved in the repair of blood vessels after damage.See image: C007/8662 for the labelled diagram

Lung cells, fluorescent micrograph
Lung cells. Immunofluorescence light micrograph of pulmonary endothelial cells. Endothelial cells are specialized epithelial cells that line the inner surface of blood vessels

Glomerular anatomy, diagram
Glomerular anatomy. Diagram of the anatomical structure of a glomerulus in a kidney

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Endothelium: Unveiling the Intricate World of Blood Vessel Cells The endothelium, a fascinating cell structure that lines the inner surface of blood vessels, plays a crucial role in maintaining vascular health. Through its intricate network, it orchestrates various physiological processes and ensures proper functioning of vital organs. In a mesmerizing false-colour scanning electron microscope (SEM) image, we witness blood cells gracefully gliding along the endocardium – one layer of the endothelium found in the heart. This captivating sight reminds us of the ceaseless circulation within our bodies. An artist's depiction transports us to another realm – glomerulus capillaries within our kidneys. These tiny structures filter waste products from our blood and regulate fluid balance. The renal glomerulus is truly an architectural marvel designed for efficient filtration. Zooming further into this microscopic world, we explore the anatomy of Bowman's glomerular capsule – an essential component of each renal corpuscle. It envelops and protects delicate capillaries while facilitating selective filtration through its specialized membrane. As we delve deeper into understanding blood vessel anatomy, we are awestruck by its complexity and diversity throughout our body. From arteries to veins, these conduits transport oxygen-rich blood away from or towards our hearts with remarkable precision. Returning to the renal corpuscle and its filtration membrane, we appreciate how this dynamic duo maintains homeostasis by selectively allowing substances like water and electrolytes to pass through while retaining vital proteins and red blood cells within circulation. A closer look at a capillary alongside a red blood cell under transmission electron microscopy (TEM) reveals their intimate relationship - where nutrients are exchanged between circulating cells and tissues they nourish. This symbiotic dance sustains life itself. The endothelium unravels before us as an intricate tapestry interwoven with countless cellular threads that orchestrate essential functions within our bodies' vast network of vessels.