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Tag: "skull" at biology news

Relationship of brain and skull more than just packaging

People usually think of the skull as packaging for the brain and researchers usually...rous bands that connect the bones -- of the baby's skull close too early and deform the skull and brain. "We are interested in understanding craniosynosto...

Bioactive cement scaffold may improve bone grafts

...prove construction or repair of bones in the face, skull and jaw, has been developed by researchers from the American Dental Association Foundation (ADAF) and the National Institute of Standards and Technology (NIST). Described in recent and upcoming journal articles,* the new technology provides a metho...

Ultrasounds show mothers' drinking shrinks fetal brain

...g they are pregnant may carry fetuses with reduced skull and brain growth compared to those of abstainers o...o-abdominal circumference, which indicates reduced skull growth. They also had smaller measures of the cerebellum, a region of the brain involved in many men...

Argonne researchers confirm lead in Beethoven's illness

...sh said. "In addition, the presence of lead in the skull suggests that his exposure to lead was not a recent event, but may have been present for many years." The half life of lead in the human body is about 22 years, with 95 percent of "old" lead residing in the skeletal structure. Beethoven experienced a...

New technique puts brain-imaging research on its head

...first time shows just what the brain does when the skull accelerates. What they've done is use a technique...ed data that show that the brain, connected to the skull by numerous vessels, membranes and nerves at the base, tries to pull away from all those attachments...

Fossil find: 'Godzilla' crocodile had head of a dinosaur, fins like a fish

... the nostrils, eye sockets, and other areas of the skull combined with a telltale groove in its jaw to prove its lineage. “This is the most remarkable change in the size and shape of the teeth and snout in the history of marine crocs,?Pol said. The three fossil specimens were found in 1996 ?one on farmla...

Study Holds Promise For New Way To Fight HIV

...ested and their characteristics - such as antlers, skull and teeth size & shape - were studied. Two giant deer were used; one found in the Ballynamintra Cave, Waterford, Ireland which was around 13,000 years old; the other taken from Kamyshlov Mire in western Siberia. Dr Lister said: "The fact that DN...

Extinct giant deer's descendant found in UK

...ested and their characteristics - such as antlers, skull and teeth size & shape - were studied. Two giant deer were used; one found in the Ballynamintra Cave, Waterford, Ireland which was around 13,000 years old; the other taken from Kamyshlov Mire in western Siberia. Dr Lister said: "The fact that DN...

Skull study sheds light on dinosaur diversity

... Wilson's recent restudy and reconstruction of the skull of a Mongolian sauropod adds to a growing body of ...ar preparing the paper's many illustrations of the skull reconstruction. "Blood vessels and nerves passed through these holes and may suggest an especially s...

Researchers identify new catfish family

... also are differences in the bone structure of the skull and in the shape of the air bladder. "The ictalurids all have these big jaw muscles that come up over the top and anchor on top of the head" Hendrickson said. "This has a very narrow cranium and the muscles anchor to the sides of the bone instead of...

Frog peptides block HIV in lab study

...ting precise regions of the brain from outside the skull while recording the resulting electrical responses...illisecond and that are capable of penetrating the skull to stimulate brain cells. "Essentially, we activate an area," Tononi says. "We can do this anywhere...

Deep sleep short-circuits brain's grid of connectivity

...ting precise regions of the brain from outside the skull while recording the resulting electrical responses...illisecond and that are capable of penetrating the skull to stimulate brain cells. "Essentially, we activate an area," Tononi says. "We can do this anywhere...

Researchers track down cause of a disfiguring bone disorder

...steosclerosis. The effect primarily occurs in the skull and lower jaw of Van Buchem patients, causing facial distortions and pinching cranial nerves, which can lead to deafness and blindness. Collarbones, ribs and long bones can also be affected. The research team, led by Gabriela Loots of Livermore's Ge...

Researchers find first evidence of venom system in extinct mammal

...search team found a 60 million year-old incomplete skull fossil that they now believe is the first evidence of an extinct mammal with a venom delivery apparatus. The research will be published June 23, 2005 in Nature. "Our discovery shows that mammals have been much more flexible in the evolution of venom...

Combination therapy leads to partial recovery from spinal cord injury in rats

...est in which they put a magnetic stimulator on the skull and measured whether the resulting electrical current was transmitted to a muscle in one of the hind legs. Most of the rats treated with the combination of precursor cells and gene therapy improved significantly on both tests, the researchers found....

Agilent Technologies introduces high-capacity human protein removal system for proteomics research

...to four feet long, with a stubbier, less flattened skull and a less sprawling leg posture than today's crocodiles have. Also, the armor did not cover the entire body, but was restricted to two lines down the back. The creature is most similar, he said, to a group of Triassic archosaurs - the group that inc...

Revueltosaurus skeleton unearthed at Petrified Forest upsets dinosaur tale

...to four feet long, with a stubbier, less flattened skull and a less sprawling leg posture than today's crocodiles have. Also, the armor did not cover the entire body, but was restricted to two lines down the back. The creature is most similar, he said, to a group of Triassic archosaurs - the group that inc...

Scientists discover odd-ball rodent

... pellet. Based on morphological differences in the skull and bone structure, coupled with DNA analysis, the authors estimate that the Kha-Nyou diverged from other rodents millions of years ago. "To find something so distinct in this day and age is just extraordinary. For all we know, this could be the las...

Scientists use manufacturing methods to reconstruct mastodon

...lunteers then made fiberglass casts. "Casting the skull was a real process, too," Iknayan said. "The exhibit preparators and lab crew spent about eight hours working together on it. It was probably the hottest day of the summer, and we all had to wear face respirators. That was unforgettable." The skelet...

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