Sperm tails, TEM C014 / 1463
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Sperm tails, TEM C014 / 1463
Sperm tails. Transmission electron micrograph (TEM) of sections through the tails of sperm (spermatozoa) cells at various levels. A sperms tails ability to move is partly due to the arrangement of microtubules (dark purple central dots) within the tail. The microtubules are arranged in a central axoneme with two central single microtubules and nine peripheral double microtubules. Surrounding the microtubules are dense fibres, which provide rigidity and protection to the tail. Next is a layer of mitochondria (red) which provide the energy for movement. Finally the tail is wrapped in a protective outer sheath. Magnification: x45, 000 when printed 10 centimetres wide
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9227101
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Accessory Axoneme Cell Biology Central Cytological Cytology Dense Fibre Fibres Flagella Flagellum Gamete Gametes Microtubule Microtubules Mitochondria Mitochondrion Reproduction Reproductive Sections Sex Cell Sheath Sperm Spermatozoa Spermatozoan Spermatozoon Tail Tails Transmission Electron Micrograph Transmission Electron Microscope Cutouts Section Sectioned
EDITORS COMMENTS
This print showcases the intricate details of sperm tails, revealing the fascinating world of cellular biology. Taken using a transmission electron microscope (TEM), this image provides a close-up view of sections through the tails of sperm cells at various levels. The arrangement of microtubules within the tail plays a crucial role in its ability to move, as seen by the dark purple central dots representing these structures. The central axoneme consists of two single microtubules surrounded by nine double microtubules, enabling coordinated movement. Surrounding these microtubules are dense fibers that provide both rigidity and protection to the delicate tail structure. Additionally, a layer of mitochondria is visible in red, highlighting their vital role in supplying energy for sperm motility. To ensure further safeguarding, the tail is wrapped in a protective outer sheath. This extraordinary composition demonstrates nature's remarkable design for reproductive success. Photographed against a white background with precision and clarity by Steve Gschmeissner from Science Photo Library, this print offers an opportunity to marvel at the complexity and beauty found within our own bodies. It serves as a reminder that even on such microscopic scales, life thrives with purposeful organization and functionality.
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