Liver tissue, TEM
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Liver tissue, TEM
Liver tissue. Transmission electron micrograph (TEM) of a section through the liver, showing part of a radial cord of hepatocyte liver cells (dark) and the vascular sinusoids (white). The hepatocyte cytoplasm notably contains mitochondria, rough endoplasmic reticulum and large amounts of glycogen. Sinusoids are a type of capillary, a small blood vessel. In the liver, this network of vessels infiltrates the tissue, supplying it with blood. Gases and nutrients are exchanged between the blood and surrounding tissue through the permeable walls of the capillaries. The gap between hepatocytes and the endothelium, known as the space of Disse, contains sparse collagen (reticular) fibres. Magnification: x2, 500 when printed 10 centimetres tall
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9240693
© MICROSCAPE/SCIENCE PHOTO LIBRARY
Black And White Capillaries Capillary Cell Biology Collagen Cytological Cytology Cytoplasm Endoplasmic Reticulum Glycogen Granule Granules Hepatic Hepatocyte Hepatocytes Histological Histology Liver Metabolic Metabolism Mitochondria Mitochondrion Network Organelle Organelles Sinusoids Transmission Electron Micrograph Transmission Electron Microscope Vascular System Vessels Blood Vessel Cells Circulation Circulatory System Section Sectioned
EDITORS COMMENTS
This print showcases the intricate structure of liver tissue at a microscopic level. Taken using a transmission electron microscope (TEM), the image reveals a section through the liver, highlighting both hepatocyte liver cells and vascular sinusoids. The radial cord of dark hepatocyte cells is prominently displayed, surrounded by the white network of vascular sinusoids. These sinusoids are specialized capillaries that infiltrate the liver tissue, ensuring its blood supply. Through their permeable walls, gases and nutrients are exchanged between the blood and surrounding tissues. The hepatocytes themselves exhibit remarkable features within their cytoplasm. Abundant mitochondria can be observed alongside rough endoplasmic reticulum, indicating high metabolic activity in these cells. Additionally, large amounts of glycogen granules are present, serving as an energy reserve for various cellular processes. Notably, there is sparse collagen fiber content in the space known as Disse's space - this gap separates hepatocytes from endothelial cells lining the sinusoids. With a magnification factor of x2,500 when printed at 10 centimeters tall, this photograph provides an awe-inspiring glimpse into the complex biology and circulatory system found within our livers. It serves as a testament to how advanced imaging techniques can unravel hidden details within our bodies' tissues and organs.
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