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TEM of transverse section through blood capillary
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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. A red blood cell is usually biconcave in shape, but may become distorted to enter small capillaries, which range in diameter from 3-10 micrometres. Capillary linings are made up exclusively of endothelial cells; individual cells are arranged longitudinally to the axis of the vessel. The nucleus of an endothelial cell appears at top of the sectioned capillary. At bottom right of image is a pericyte, an elongated cell of uncertain function. Magnification: x3, 500 at 6x7cm size
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6420700
© CNRI/SCIENCE PHOTO LIBRARY
Blood Capillaries Capillary Erythrocyte Red Blood Cell Vessel Vessels
EDITORS COMMENTS
This false-color transmission electron micrograph (TEM) print showcases the intricate beauty of a transverse section through a blood capillary. At its center, we observe a single red blood cell, which typically possesses a biconcave shape but can deform to navigate the narrow confines of small capillaries ranging from 3-10 micrometers in diameter. The lining of these delicate vessels is exclusively composed of endothelial cells, with each individual cell arranged longitudinally along the vessel's axis. In this particular image, the top portion reveals the nucleus of an endothelial cell positioned at the apex of the sectioned capillary. Meanwhile, towards the bottom right corner lies an enigmatic pericyte – an elongated cell whose precise function remains uncertain within scientific understanding. The photograph's remarkable magnification level provides us with exquisite details as it enlarges this mesmerizing scene by 3,500 times when printed at a compact size measuring 6x7 centimeters. Through this stunning visual representation captured by Science Photo Library, we gain insight into both the complexity and elegance that underlie our circulatory system's smallest components. Immerse yourself in this extraordinary portrayal encompassing vital elements such as blood composition, anatomical structures like vessels and capillaries, erythrocytes or red blood cells dwelling within them, endothelial cells forming their linings alongside mysterious pericytes – all essential constituents contributing to our remarkable human body.
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