News tagged with hair cells
No longer a gray area: Our hair bleaches itself as we grow older
Wash away your gray? Maybe. A team of European scientists have finally solved a mystery that has perplexed humans throughout the ages: why we turn gray. Despite the notion that gray hair is a sign of wisdom, these researchers ...
Biology /
Feb 23, 2009 |
4.5 / 5 (27) |
4
Aiming to cure deafness, Stanford scientists first to create functional inner-ear cells
Deep inside the ear, specialized cells called hair cells detect vibrations in the air and translate them into sound. Ten years ago, Stefan Heller, PhD, professor of otolaryngology at the Stanford University ...
Medicine & Health / Medical research
May 13, 2010 |
4.8 / 5 (13) |
0
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Imaging reveals how brain fails to tune out phantom sounds of tinnitus
About 40 million people in the U.S. today suffer from tinnitus, an irritating and sometimes debilitating auditory disorder in which a person "hears" sounds, such as ringing, that don't actually exist. There isn't a cure for ...
Medicine & Health / Neuroscience
Jun 23, 2010 |
4.6 / 5 (12) |
17
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Squid shown to be able to hear
(PhysOrg.com) -- Scientists in the US have solved the mystery about whether squid can hear and if so, how.
Feb 08, 2011 |
4.9 / 5 (11) |
15
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Male pattern balding may be due to stem cell inactivation: study
Given the amount of angst over male pattern balding, surprisingly little is known about its cause at the cellular level. In a new study, published in the Journal of Clinical Investigation, a team led by Geo ...
Medicine & Health / Medical research
Jan 04, 2011 |
5 / 5 (9) |
4
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Stress makes your hair go gray
Those pesky graying hairs that tend to crop up with age really are signs of stress, reveals a new report in the June 12 issue of Cell.
Jun 11, 2009 |
4 / 5 (11) |
3
Scientists provide groundbreaking new understanding of stem cells
In findings that could one day lead to new therapies, researchers from The Scripps Research Institute have described some striking differences between the biochemistry of stem cells versus mature cells.
May 02, 2010 |
4.9 / 5 (9) |
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Embryonic stem cells used to regenerate hair on mice in Japan
A university lecturer in Japan has succeeded in regenerating hair on mice using embryonic stem cells, an achievement that could pave the way for the development of treatments for conditions including hair loss, it has been ...
Medicine & Health / Medical research
Apr 20, 2009 |
5 / 5 (7) |
1
Ion channel turns ear on its head
Scientists thought they had a good model to explain how the inner ear translates vibrations in the air into sounds heard by the brain. Now, based on new research from the Stanford University School of Medicine, it looks like ...
Medicine & Health / Neuroscience
Apr 23, 2009 |
5 / 5 (7) |
0
Yale scientists find stem cells that tell hair it's time to grow
Yale researchers have discovered the source of signals that trigger hair growth, an insight that may lead to new treatments for baldness.
Sep 01, 2011 |
5 / 5 (7) |
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Coaxing new hair: Scientists work on perking up dormant follicles
When a man's hair stops growing back, it would be logical to assume his scalp has suffered a loss of stem cells, those versatile dynamos that have the ability to regenerate hair, blood, and other parts of the body.
Medicine & Health / Medical research
Jan 14, 2011 |
5 / 5 (6) |
2
Power steering for your hearing: Ears have tiny 'flexoelectric' motors to amplify sound
Utah and Texas researchers have learned how quiet sounds are magnified by bundles of tiny, hair-like tubes atop "hair cells" in the ear: when the tubes dance back and forth, they act as "flexoelectric motors" ...
Apr 22, 2009 |
5 / 5 (5) |
1
Stem cells in hair follicles point to general model of organ regeneration
(PhysOrg.com) -- Most people consider hair as a purely cosmetic part of their lives. To others, it may help uncover one of nature’s best-kept secrets: the body’s ability to regenerate organs. Now, new research ...
Biology /
Feb 06, 2009 |
5 / 5 (4) |
1
Hairy secret of foraging plants discovered
(PhysOrg.com) -- The genes that control the hairy 'mining machine' that makes some plants better at finding nutrients in poor soils than others have been discovered by scientists from Oxford University and ...
Feb 18, 2010 |
4.8 / 5 (4) |
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Researchers Develop Flow Sensors Based on Blind Fish Hair Structures
(PhysOrg.com) -- A blind fish that has evolved a unique technique for sensing motion may inspire a new generation of sensors that perform better than current active sonar.
Mar 24, 2009 |
4.5 / 5 (4) |
1
Hair cell
Hair cells are the sensory receptors of both the auditory system and the vestibular system in all vertebrates. In mammals, the auditory hair cells are located within the organ of Corti on a thin basilar membrane in the cochlea of the inner ear. They derive their name from the tufts of stereocilia that protrude from the apical surface of the cell, a structure known as the hair bundle, into the scala media, a fluid-filled tube within the cochlea. Mammalian cochlear hair cells come in two anatomically and functionally distinct types: the outer and inner hair cells. Damage to these hair cells results in decreased hearing sensitivity, i.e. sensorineural hearing loss.
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