Tag: "ear" at biology news
Center For Future Health Aims To Bring High-Tech, Low-Cost Health Care To The Home
...ealth-carequestions. A conversation might be about ear
infections, for instance: "I thinkmy son has an ear
infection." The computer then converses with the person. "Whatis his temperature?" "Has he vomited?"...
Genetic testing of pregnant women with liver illness could save infant lives
..., when she was 5 months old.Sarah had developed an ear
infection and a week later was diagnosed with theflu. She had a poor appetite and, over a two-week period, developed low bloodsugar and lethargy, common symptoms of the deficiency. She died on the way tothe emergency room. "The autopsy said she had a...
Gene triggers formation of sensory cells in the ear
...nsible for triggering embryonic cells in the inner ear
to develop intosound- and motion-sensing hair cell... possibility ofintroducing the gene into the inner ear
to replenish hair cells lost to age andenvironmental trauma, two prevalent causes of deafness and ba...
SIDS prevention tactic leads to epidemic of 'misshapen head' in infants
...e same side that the forehead is moreprominent the ear
on the side of the occipital flattening (at the ba...larger and advanced forward, compared to the other ear
the jaw can be asymmetric, with an upward slant on the same side as theshortened muscle facial asymm...
Molecular muscle motor found to move backwards
...orprotein to the so-called hair cells of the inner ear
upon which hearing depends.Myosin VI may be similarly crucial in other parts of the body where actinfilaments are aligned in only one direction. "In many ways, the myosin protein moving along an actin filament is likea sure-footed gymnast abl...
Primitive primate makes the case for Asian anthropoid origins
...opoids. "But more fossils, including the skull and ear
bones, will benecessary to definitely solve the problem," Jaeger said. "That's why we're goingback to Myanmar at the end of the year." By primate standards, Bahinia was a small animal. The researchersestimated its size to be about 400 grams, somewh...
Threats to health reduced with Bt corn hybrids
...damage to kernels usually have very littleFusarium ear
rot, and consequently, lower fumonisin concentrations." Bt corn hybrids control feeding by the European corn borer and to some extentclosely related insects such as the corn earworm, common stalk borer, armyworm,and Southwestern corn borer. All of wh...
Gene mutation tied to deafness found in African-Americans and Caucasians
...ignals emanating from hair cells deep within inner ear
canals dependupon the flow of potassium. Gap junctions allow potassium to flow from haircells to neighboring cells. As hair cells are the first to respond to soundvibrations, a connexin mutation that interferes with efficient potassiumtransport could...
Penny wise and pound-foolish: Study shows need for second pathologist's opinion
...s a patient referred to Hopkins with cancer of the ear
canal. "The patient in this case would've had his middle ear
removed, in an undeniably mutilating surgery. But with the second path report, the patient was foun...
Big brother has a lot to answer for
... team measured features such as finger lengths and ear
size. Some variations between left and right were ...t five asymmetries did seem to be random: hand and ear
width, and the lengths of the ear, third and fifth finger. Having an older brother predisposed an in...
For a fish, there's no place like home, say major studies, offering key information for fisheries management
...otolith -- the tiny crystalline stone in the inner ear
of the fish -- scientists from the University of California, Santa Barbara discovered that significant numbers of larval fish return to reefs where they were spawned. "These are the first numbers we've ever had on this. It's impressive that our resu...
Dartmouth research offers clues to new anti-microbial treatments
...lments caused by infectious microbes, from acne to ear
aches. However, the microbes have been fighting back, and increasing numbers are becoming resistant to all available antibiotics at an alarming rate," says Taylor. "These recent findings may advance screening for additional compounds that can be de...
Life on land tied to gene expansion
...e (see sidebar). When she and her colleagues tried ear
tagging one, they discovered that the mouse was unable to grab the table top. It turned out, the mice had failed to develop digits. Suspecting that the piece of DNA had wedged itself into the middle of a gene for skeletal development, the researcher...
Studies of clumsy flies yield molecule important in balance, hearing
...ous researchers studying sensory hair cells in the ear
developed a very powerful and elegant model of how mechanoreception might work," said Charles Zuker , an HHMI investigator at the University of California, San Diego. "In this model, there is a channel in the sensory cell membrane that opens when a ...
Researchers identify novel penicillin-resistance gene in pneumonia bacteria
...f pneumonia and several million cases of childhood ear
infections annually. The global annual rate of mortality from pneumococcal disease is estimated at one million. A powerful threat to the elderly, young children and people with underlying medical conditions, including HIV infection, drug-resistant st...
Northwestern researchers clone gene responsible for inner ear motor
... cell, a sensory receptor cell unique to the inner ear
of mammals. Research teams under the direction...he incoming sound vibrations, giving the mammalian ear
its extraordinary sensitivity and frequency-resolving capacity. During amplification, the cylinder-s...
Helping to better understand the development and maturation of the auditory pathway
...in the brain and hair cells in a part of the inner ear
known as the cochlea. They also developed a method...cells of the cochlea (the spiral tube in the inner ear
containing nerve cells) that respond to sound, but the brain that feeds signals back through the pat...
Study suggests diabetics can use light to measure glucose
...be able to make the measurements on a fingertip or ear
lobe." This isn't the first study to suggest infrared light can be used to measure blood glucose. Other researchers have presented data that suggested the theory had merit. But a 1998 article by Small and Arnold in the journal Analytical Chemistry a...
Northwestern researchers map gene mutation that makes mice deaf and causes them to dance
...reocilia of hair cells, the apparatus in the inner ear
that detects sound and motion and helps control balance in the body. The espin gene mutation Bartles and colleagues found in the jerker mouse causes hair cell degeneration, deafness and vestibular (inner ear) dysfunction. Jerker mice also exhibit su...
Study finds cochlear implants cost-effective in children
...electronic devices surgically implanted behind the ear
to bring sound to profoundly deaf people, not only improve children's quality of life, but also are highly cost-effective, with an expected lifetime savings of $53,198. The study, published in the Aug. 16 issue of the Journal of the American Medical ...
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