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Abdomen in Biological News

Want a reason to love your lower belly fat? It's rich in stem cells

... HEIGHTS, Ill. Fat removed from the lower abdomen and inner thigh through liposuction was found to ... of stem cells was greatest in the lower abdomen and inner thighs. Interestingly, stem cell concentration in the lower abdomen was five times greater than in the upper abdomen. ...

New CPR promises better results by compressing abdomen, not Chest

... or OAC-CPR, which works by pushing on the abdomen instead of the chest. "There are major ... abdominal compression because pushing on the abdomen depresses the diaphragm toward the head, ... have known since the 1980s that pushing on the abdomen circulates blood through the heart. The idea was ...

Ant parasite turns host into ripe red berry, biologists discover

... ants back to the lab and opening them up, Yanoviak discovered that the red abdomen was full of hundreds of nematode eggs. "Like other ant biologists, I ... one up under the scope and - wow! I lost the bet." Because the red abdomen clearly mimicked in both size and color the many red berries that attract ...

Diuscovery in amber reveals ancient biology of termites

... an opportunity for the biology of this ancient insect to be revealed in a way that would otherwise have been impossible. Out of its wounded abdomen spilled a range of protozoa, which even then were providing a key function for the termite they helped it to digest wood. Between animals and ...

Genital stimulation opens door for cryptic female choice in tsetse flies

... fly Kama Sutra is long and elaborate," said Eberhard, who described the 30-minute ritual during which the male rubs the underside of the female's abdomen with his hind legs, sings to her by buzzing his wings, rubs her eyes with his front legs, and so on. With Daniel Briceo, professor of biology at ...

April 2009 Geology and GSA Today media highlights

... terrestrial animals carried a shell on their backs. Like modern hermit crabs, these ancient pioneers had a scorpion-like body, and could stuff their abdomen into a coiled snail shell. One advantage of doing this was that the shell may have acted as a humid chamber to keep their gills moist. This would ...

Crabs' memory of pain confirmed by Queen's academic

... no shell of their own so inhabit other structures, usually empty mollusc shells. Wires were attached to shells to deliver the small shocks to the abdomen of the some of the crabs within the shells. The only crabs to get out of their shells were those which had received shocks, indicating that the ...

Research yields new clues to how we locate objects in space

... bounced back by the mirror, placing the image at its originating location (the abdomen, for example). Viewing the resulting ultrasound image in the abdomen itself relies on direct perception and results in more accurate analysis of the image, compared to visualization, which is needed for viewing ...

Apple or pear shape is not main culprit to heart woes -- it's liver fat

... it tends to track so closely with liver fat. But if you look at people where the two don't correspond with excess fat in the liver but not in the abdomen and vice versa the only thing that consistently predicts metabolic derangements is fat in the liver." In a second study, Klein's team found ...

Researchers uncover world's oldest fossil impression of a flying insect

... will provide researchers with evidence of how it moved once it landed on a surface, as well as its stance, position of its legs and details about its abdomen and thorax. The impression is about three inches long and is imprinted on the flat side of a rock. The impression does not contain direct evidence ...

Embryonic stem cells might help reduce transplantation rejection

... Thus, to test for transplant success, the study approach involved leaving the original heart intact, transplanting a second functional heart into the abdomen and then linking the transplanted heart to the aorta. ...

The bombardier beetle, power venom and spray technologies

... which can travel as far as 20cm, has been cause for speculation. Quantities of hydroquinone and hydrogen peroxide gases build up in the beetles abdomen but, when necessary for defence, get mixed together in a connected combustion chamber to produce toxic benzoquinone. This hot fluid is then fired off ...

Oldest Australian crayfish fossils provide missing evolutionary link

... and Christopher Austin of Charles Darwin University; and Lesley Kool and Patricia Vickers-Rich of Monash. The crayfish body fossils consist of an abdomen and two claws, and the fossil burrows are nearly identical to those made by modern crayfish in southeastern Australia. "Comparing these fossil ...

Researchers find signal that switches on eye development -- could lead to 'eye in a dish'

... formed body parts outside the head area it could still produce an additional ectopic eye leading to tadpoles with an additional eye in their side, abdomen or even along their tail. E-NTPDase2 quickly latches on to ATP converting it to ADP. This meant that where and when the researchers introduced ...

Understanding hypertension in African Americans proves elusive

... study, he found that the level of aldosterone was related to how the two racial groups distributed body fat. Caucasians generally stored fat in the abdomen area, whereas African Americans had fat distributed throughout the body in a layer under the skin. The six-month study involving 35 Caucasians and ...

Magnetic system could be key to surgery without scars

... build the prototype. The system uses a stack of magnets outside the abdomen to attract other magnets attached to laparoscopic instruments inside the ... may solve the fundamental problem of guiding instruments through the abdomen for natural orifice surgery, which now inserts the instruments through the ...

pHLIP, a novel technology to locate and treat tumors

... National Academy of Sciences. The researchers show that, the protein fragment, called “pHLIP?(pH (Low) Insertion Peptide) can be injected into the abdomen of a mouse, find its way into the blood and then specifically accumulate in tumors. Within 20 hours after injection of labeled pHLIP, the molecules ...

Students invent protective pouch to enhance cell therapy

... digestive system into the liver. The pouch components are made to be compressed and inserted with catheters that a physician can snake into the abdomen through the femoral vein in the leg. Using real-time imaging technology, an interventional radiologist can view and guide the minimally invasive ...

UW launches study testing adult stem cells for heart damage repair

... disease and the severity of the pain. Next, all subjects receive a series of needle shots, typically delivered under the skin in the arm, thigh or abdomen of a commercially produced protein (granulocyte colony stimulating factor). The protein helps to release blood-forming CD34+ cells from a subject's ...

Breathing easy: When it comes to oxygen, a bug's life is full of it

... how the system works. Insects employ autoventilation (using wings or legs to pump air through the body), abdominal pumping (using the muscles in the abdomen to pump air), and tracheal compression (getting oxygen to the head and thorax). ...

Tarantulas produce silk from their feet

... spigots on their legs, allowing them to better cling to surfaces. Until now, spiders were only known to spin silk from spinnerets located on their abdomen and to use the silk to form webs for protection and capturing prey rather than for locomotion. The findings are published in the current issue of ...

MIT engineers probe spiders' polymer art

... protein molecules become aligned and the viscosity (or resistance to flow) drops by a factor of 500 or more. As the resulting liquid exits the abdomen through the spinneret, it has the characteristics of a liquid crystal. It's the exquisite alignment of the protein fibers, Kojic said, that gives ...

Mass. General study finds potential ovarian cancer stem cells

... observed a small percentage of stem-like cells in human ovarian cancer lines and in cells taken from ascites fluid that had accumulated within the abdomen of several ovarian cancer patients. When mouse ovarian tumor stem-like cells were injected under the skin of mice, they led to the formation of new ...

Radiation-armed robot rapidly destroys human lung tumors

... track the moving tumor, the CyberKnife takes real-time x-ray pictures of the patient while using external markers attached to the patient's chest or abdomen to follow tumors in real time with a few millimeters of accuracy. The researchers also applied Synchrony to treating tumors in the thorax and ...

First demonstration of 'teaching' in non-human animals

... frequently pauses to look round for landmarks so that it can learn the route. Only when the follower has done this does it tap on the hind legs and abdomen of the leader to let it know that the tandem run can proceed. The researchers' detailed analysis of the movements of tandem leaders and tandem ...

Rare Tibetan antelope listed as endangered

... of biomedical engineering at the Pratt School. Optical endoscopes are thin tubes with a tiny video camera that surgeons can insert directly into the abdomen or chest through small incisions. "With our scanner, doctors could see the target lesion or a portion of an organ in a real-time three-dimensional ...

3D ultrasound device poised to advance minimally invasive surgery

... of biomedical engineering at the Pratt School. Optical endoscopes are thin tubes with a tiny video camera that surgeons can insert directly into the abdomen or chest through small incisions. "With our scanner, doctors could see the target lesion or a portion of an organ in a real-time three-dimensional ...

New antifreeze protein found in fleas may allow longer storage of transplant organs

... An ancient species related to modern insects, snow fleas are also known as "springtails" because of the distinctive springing organ under their abdomen which allows them to leap hundreds of times their one-millimeter length. Dr. Graham first noticed them while cross-country skiing, and brought ...

No small feat: First ever gene therapy success for muscular dystrophy achieved

... at the University of Pittsburgh School of Medicine, report that treated mice had physiological improvements in the muscles of the heart, diaphragm, abdomen and legs; and they grew faster, were physically more active and lived four times as long as untreated animals. "While we have much farther to go ...

Chromosome Deletion Predicts Aggressive Neuroblastoma

... for pediatric cancer patients. Neuroblastoma, which accounts for 10 percent of all pediatric cancers, often occurs as a solid tumor in a child's abdomen or chest. Some cases of neuroblastoma are low risk, and resolve after surgeons remove the tumor. Other cases are more aggressive, and are more likely ...

Programmable cells: Engineer turns bacteria into living computers

... become the various body parts of a mature organism. In fruit fly embryos, for example, the first cells are thought to differentiate into the head, abdomen and other parts based on the concentration of chemical signals that are emitted from the ends of the embryo. In addition to conducting laboratory ...

Falling ants glide back to trunk to avoid dangers of forest floor

... earlier observations combined with the videotaped tests in Panama established that the ants basically reorient their bodies so their hind legs and abdomen point toward the tree, and use their head-up fall through the air to take them feet-first toward the trunk. How they land is still a mystery, but ...
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