Unless they crane their necks all sperm would only turn left
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.
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
Vanderbilt biologists have discovered that mosquito sperm have a "sense of smell" and that some of same chemicals that the mosquito can smell cause the sperm to swim harder.
Plants & Animals
Feb 3, 2014
0
0
An essential component of every eukaryotic cell is the cytoskeleton. Microtubules, tiny tubes consisting of a protein called tubulin, are part of this skeleton of cells. Cilia and flagella, which are antenna-like structures ...
Cell & Microbiology
Jan 7, 2021
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82
Sperm start their sprint to the ovum when they detect changes in the environment through a series of calcium channels arranged like racing stripes on their tails. A team of Yale researchers has identified a key molecule that ...
Molecular & Computational biology
May 3, 2019
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101
Researchers have discovered what gives human sperm the strength to succeed in the race to fertilise the egg.
Mathematics
Mar 19, 2019
4
595
Scientists have created miniature magnetic swimming devices – which mimic the appearance of sperm cells – that could revolutionise disease treatment by swimming drugs to specific areas of the body.
Soft Matter
Oct 2, 2018
0
150
Scientists at the University of York have shown that a sperm tail utilizes interconnected elastic springs to transmit mechanical information to distant parts of the tail, helping it to bend and ultimately swim toward an egg.
General Physics
May 31, 2017
3
187
Just like workers in a factory, enzymes can create a final product more efficiently if they are stuck together in one place and pass the raw material from enzyme to enzyme, assembly line-style. That's according to scientists ...
Biochemistry
Dec 2, 2016
0
298
Male infertility affects more than 20 million men globally and is a contributing cause to around 50% of infertility in couples. Frequently, male infertility is the result of defects in the sperm tail, the flagellum, which ...
Plants & Animals
Jun 14, 2021
0
6
Millions of sperm enter the race to fertilize, but only one wins the sprint to the egg.
Cell & Microbiology
Dec 1, 2020
0
5