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Tag: "anatomical" at biology news

Relationship of brain and skull more than just packaging

...versity, looked at the reproducibility of standard anatomical features on the skull and brain. "We found that the brain landmarks people often use were highly variable and had the biggest errors in reproducibility," says Richtsmeier. "We eventually chose brain locations that were easier to identify reliably su...

Markers of gene, protein, or micro-RNA activity predict outcome in prostate and colorectal cancers

...r information is complementary to the clinical and anatomical information currently used to predict recurrence, such as tumor stage and Gleason score." According to Cottrell, the test will soon be validated in a multi-center trial for submission to the FDA. She also added that while this study analyzed prostat...

AIDS-related cognitive impairment exists in two separate forms

...r information is complementary to the clinical and anatomical information currently used to predict recurrence, such as tumor stage and Gleason score." According to Cottrell, the test will soon be validated in a multi-center trial for submission to the FDA. She also added that while this study analyzed prostat...

First 'encyclopedia' of nuclear receptors reveals organisms' focus on sex, food

...ms ?better known as the biological clock. In the anatomical study, researchers used mice to profile the location and activity of the superfamily of nuclear receptors. They found that receptors, by virtue of similar patterns of expression in certain tissues, separate into two main clusters to regulate reproduc...

First study to show how immune cells 'speak' to each other in vivo

...nai Medical Center have confirmed the existence of anatomical structures that channel information exchanges between a T cell and its target, an antigen-presenting brain cell, in laboratory rats. This immunologic synapse, or junction where signals are shuttled between two immune cells, has previously only been ...

Septum keeps neurons in synch, can reduce epileptic seizures by 90 percent

...addition, septal impulses may help to maintain the anatomical integrity of other brain structures. Neurons talk The brain's neurons are constantly chatting with each other through electrical impulses but it's a chatter that has to be kept in check, or it can snowball into an electrical storm that marks an e...

Coming soon: 3-D imaging that flies 'through' and 'around' cancer

...rful ability to meld functional data with accurate anatomical information of possible cancerous tumors--from inside the body--provides a visual navigation of organs oftentimes portrayed on television crime shows like "CSI." Such visualization "may be used to detect and characterize cancer, spare someone from mo...

Carnegie Mellon researchers discover key deficiencies in brains of people with autism

... University of Pittsburgh have discovered that the anatomical differences that characterize the brains of people...itation on synchronization. In people with autism, anatomical connectivity -- based on the size of the white matter -- was found to be positively correlated with ...

Ohio University researchers discover evolutionary oddity in flamingos

...y a team of Ohio University researchers reveals an anatomical oddity that helps flamingos eat: erectile tissue. Flamingos are known for their peculiar feeding behavior. While standing in shallow water, they bend their necks, tilt their bills upside down in the water and swish their heads from side-to-side. The...

Study suggests evolutionary link between diet, brain size in orangutans

...s in studies by other researchers, "we see greater anatomical differences amongst the Bornean populations than we see between the Bornean and Sumatran populations," Taylor said. In addition to having physical differences, Bornean orangs also inhabit areas that vary more ecologically than do comparative orangu...

Squid skin reveals hidden messages

...w, Mäthger and Hanlon's findings present the first anatomical evidence for a "hidden communication channel" that can remain masked by typical camouflage patterns. Their results suggest that it might be possible for squid to send concealed polarized signals to one other while staying camouflaged to fish or mamma...

Preliminary study finds holographic imaging system promising for cancer treatment planning

...allowed better appreciation of 3D relationships of anatomical and dose data than images from a flat screen display. According to the study, the location and size of over or under-dosed regions were also easier to identify on Perspecta. The reviewers reported that Perspecta produced a better plan in six out of 1...

Free drug samples influence prescribing, say one in three doctors

...ore likely to accept the offer of a free lunch, an anatomical model emblazoned with a drug's name, or a consultancy than they would, even if offered without free samples. And they also felt that these free "gifts" would still influence the other doctors' prescribing decisions more than it would theirs. Most...

Prehistoric mystery organism verified as giant fungus

... of internal structure have provided the strongest anatomical evidence that Prototaxites is not a plant, but a fungus. "Fran Hueber has contributed more to our understanding of Prototaxites than anyone else, living or dead," said Carol Hotton, also of the National Museum of Natural History. "He built up a co...

Bioluminescence at the service of a novel cerebral imaging technique

...le. For the first time, it is possible to draw up anatomical and functional maps of the brain (in this case, of the Drosophila) based on long-term recordings. Such maps do not yet exist for any animal species, including man. A funding application has been made to the ANR in order to build up functional ...

MIT model helps researchers 'see' brain development

...in analyzing these images is to align their common anatomical structures, such as the “central sulcus,?a fold that separates the motor cortex from the somatosensory cortex. Yu applied a technique developed by Fischl to perform this alignment. The second step involves modeling the folds of the brain mathemat...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...ng them to achieve a 1:6 ratio in the areas of two anatomical regions: the pharanx and the epilarynx. When a teacher provides verbal critiques on a student's singing performance, the information may be imprecisely stated, or misinterpreted by the student. Addressing this issue, David M. Howard of the University...

How to look at dinosaur tracks

... by the dinosaur. True tracks preserve many of the anatomical details of the foot, such as number of digits and impressions of claws. However, the true tracks may be filled with sediment or the original tracked surface may have eroded away. In the latter case, erosion may expose prominent layers of concentr...

'Virtual Patient' to simulate real-time organ motions for radiation therapy

...physicists to accurately predict and monitor these anatomical changes to provide the most effective treatment po...an will eventually be used as an even more general anatomical modeling tool for the biomedical community to help patients with respiratory and cardiac diseases. A...

Better insight into brain anatomical structures

...e imaging is a very effective method for revealing anatomical details of soft tissues. Contrast agents can help ...e first truly biocompatible MRI contrast agent for anatomical brain imaging," Lee and Hyeon point out. "With this agent, we are able to get high-contrast views of...

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