In order to achieve good times in their races, many Olympic swimmers wear swimsuits that are low in water resistance. Similarly, spermatozoa, the male reproductive cells, possess a "streamlined" structure to travel more smoothly ...
Cell & Microbiology
Mar 13, 2023
0
46
Current tests for male fertility include measuring the concentration and motility of spermatozoa. However, other characteristics of sperm, such as their ability to follow a chemical trail to the egg, can influence the likelihood ...
Analytical Chemistry
Feb 19, 2020
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11
The presence of a rival male affects sperm quality, according to a research study led by the University of Alicante and the University of Upsala (Sweden). The work was carried out with adult zebrafish (Danio rerio) and reveals ...
Plants & Animals
Apr 12, 2019
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27
Do you know about "comparative spermatology?" It's the science of describing spermatozoa. A first international congress was devoted to it in 1970. In 1976, more than 1,000 animal species had their spermatozoa described by ...
Evolution
Mar 9, 2018
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11
Spermatozoa need to crane their necks to turn right to counteract a left-turning drive caused by the rotation of their tails, new research has found.
Cell & Microbiology
Dec 7, 2015
5
1084
In the middle of Europe nearly every sixth couple of reproductive age is involuntarily childless iAbout 50% of cases are due to male infertility. In about 10% of all infertile men, azoospermia is diagnosed, i.e. no spermatozoa ...
Biochemistry
May 29, 2015
0
9
Japanese scientists have launched a sperm bank for endangered animals that uses freeze-drying technology they hope could one day help humans recreate animal populations on other planets, the chief researcher said Wednesday.
Plants & Animals
Aug 28, 2013
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0
(Phys.org)—New research reveals what happens when swimming cells such as spermatozoa and algae hit a solid wall, and has implications for applications in diagnostics and biofuel production.
Cell & Microbiology
Jan 8, 2013
1
0
(PhysOrg.com) -- A new 'fertility chip', developed by researchers at the University of Twente’s MESA+ Institute for Nanotechnology (The Netherlands), can accurately count spermatozoa in sperm. This is an important step ...
Analytical Chemistry
Feb 16, 2010
0
0
(PhysOrg.com) -- There are many microorganisms out there, navigating through complex biological fluids. “One of the most common migrations takes place with spermatozoa as it navigates the female reproductive tract,” Joseph ...
