Red blood cells, SEM C015 / 8793
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Red blood cells, SEM C015 / 8793
Red blood cells. Coloured scanning electron micrograph (SEM) of human red blood cells (erythrocytes). Red blood cells are biconcave, giving them a large surface area for gas exchange, and highly elastic, enabling them to pass through narrow capillary vessels. The nucleus and other organelles are lost as the cells mature. The cells interior is packed with haemoglobin, a red iron-containing pigment that has an oxygen-carrying capacity. The main function of red blood cells is to distribute oxygen to body tissues and to carry waste carbon dioxide back to the lungs
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9238783
© SUSUMU NISHINAGA/SCIENCE PHOTO LIBRARY
Biconcave Blood Disc Shaped Erythrocyte Erythrocytes Haematological Haematology Haemoglobin Hematology Hemoglobin Oxygen Carrying Rbcs Red Blood Cell Red Blood Cells Cells Circulation Circulatory System
EDITORS COMMENTS
This print showcases the intricate beauty of red blood cells, as captured by a scanning electron microscope. The image reveals the remarkable structure and function of these vital components of our circulatory system. Red blood cells, also known as erythrocytes, are characterized by their unique biconcave shape. This distinctive form provides them with a large surface area for efficient gas exchange. Highly elastic in nature, they possess the ability to navigate through narrow capillaries effortlessly. As these cells mature, they lose their nucleus and other organelles to make space for an abundance of haemoglobin within their interior. Haemoglobin is a red iron-containing pigment that plays a crucial role in carrying oxygen throughout our body tissues. It binds with oxygen in the lungs and releases it to nourish various organs and tissues while simultaneously collecting waste carbon dioxide for elimination. The primary function of red blood cells is thus twofold: distributing life-sustaining oxygen and removing harmful carbon dioxide from our system. Their disc-shaped structure allows them to efficiently transport gases across vast distances within our bodies. This awe-inspiring photograph not only highlights the biological complexity but also serves as a reminder of how essential these tiny entities are for maintaining good health. SUSUMU NISHINAGA's masterful capture invites us into the microscopic world where scientific wonders unfold before our eyes.
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