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adaptations in Medical News

Alcoholism-associated molecular adaptations in brain neurocognitive circuits

After many years of heavy drinking, alcohol produces pathological alterations in the brain. In many alcoholics these changes culminate in massive social deterioration and disorders of memory and learning. Severe cognitive impairments occur in approximately 10% of heavy drinkers. Alcoholic dementia...

Arizona researchers to sequence West African rice strain

...tions than Asian rice, it's better adapted to withstand hardships such as high temperatures and limited water. Understanding the genes behind those adaptations could be a valuable first step in breeding new, hardier Asian strains as well crucial work, given that the world's rice-dependent population is expec...

New Insight Into Primate Eye Evolution

... we can gain a deeper understanding of these ancient pathways that lie at the heart of many pediatric cancers." The owl monkey's eye has numerous adaptations to make it effective for nocturnal (active during the night) function. For example, it has a greater number of rod photoreceptor cells than the capuch...

Spinal Network: The Total Wheelchair Resource Book

...ips for landing a job Innovators in the world of art, entertainment and media The role of spirituality and faith Inexpensive adaptations Understanding insurance options ABOUT NO LIMITS COMMUNICATIONS, INC. No Limits Communications, Inc., is a leading disabi...

University of Washington scientists one step closer to stopping bone loss during spaceflight

...study in which 22 volunteers remain in bed, in a six-degree, head-down tilt position for 84 days. The head-down tilt mimics many of the physiologic adaptations astronauts experience during spaceflight, such as bodily fluid shifts toward the head. The bedrest confinement mimics the complete "unloading" of the ...

Lowe's Leads First Wave of Companies Partnering With Express Scripts to Apply Behavioral Economics to Healthcare

...PhD, Robert I. Goldman Professor of Economics at Harvard University and member of the Center's advisory board. "This is one of the first marketplace adaptations that successfully applies behavioral economics to improve health care." Express Scripts works with the Center's advisory board to advance Consume...

New Esco White Papers Document Hydrogen Peroxide Decontamination of Biological Safety Cabinets

...y Material compatibility "These papers demonstrate that hydrogen peroxide vapor decontamination can be accomplished successfully without any adaptations to current models of Esco biological safety cabinets," said XQ Lin, Esco president. "These studies position Esco cabinets as the industry's...

Researchers solve mystery of deep-sea fish with tubular eyes and transparent head

...r," barreleyes have a variety of other interesting adaptations to deep-sea life. Their large, flat fins allow the... fish with tubular eyes. The bizarre physiological adaptations of the barreleyes have puzzled oceanographers for ...t, and thus to fully understand how these physical adaptations help them survive. ...

Findings raise new questions about evolution of hormones in mammals

...ontrol systems so we must rethink our evolutionary models of hormones," she said. "As we discover more in the field, we may discover many more unusual adaptations important for reproduction and survival." When Randall began post-doc work in the late 1970s, research was confined to drawing hormones from blood ...

Gut instinct: Salmonella bacteria's molecular tactics to cause illness

...ulatory genes are brought into play, as conditions warrant. Shi emphasizes that the cluster of genes responsible for this sequence of environmental adaptations to adversity in virulent bacteria like Salmonella are arranged in particular chromosomal regions, the so-called horizontally acquired loci, which ar...
adaptations in Medical Technology

Video: New Research Discovers Independent Brain Networks Control Human Walking

...ndings are contrary to the currently accepted theory that leg movements and adaptations are directed by a single control circuit in the brain. The ability to train...apeutic approaches and the true adaptive nature of the brain." The walking adaptations studied here represent a form of short term learning from practicing on thi...
adaptations in Medical Dictionary

Parasite

... to invasion of malaria parasites ... different aspects of the malaria parasite's complex lifecycle. ... also from parasite and vector adaptations to drugs, insecticides, and other interventions. ... The biological interaction between the host and the parasite is called parasitism. ... Th...

Joints

...ust one plane. ... Joints may be immovable, like those of the skull, or movable, like the knee. Immovable joints , or synarthroses, are usually adaptations to growth rather than ... Read about ankylosing spondylitis (a form of chronic inflammation of the spine and the sacroiliac joints ), whi...
adaptations in Biological News

Genetic adaptations key to microbe's survival in challenging environment

The genome of a marine bacterium living 2,500 meters below the ocean's surface is providing clues to how life adapts in extreme thermal and chemical gradients, according to an article published Feb. 6 in the journal PLoS Genetics , an open-access publication published by the Public Library of Sci...

Animal and plant communication at the ESA Annual Meeting

...querque, New Mexico, ecologists explore the myriad adaptations for exchanging information among living things. ... attract prey Pitcher plants have distinctive adaptations for living in nutrient-poor soils: These carnivoro...cialize on the host plants that they eat, evolving adaptations to use a plant's unique set of resources. However...

Bizarre walking bat has ancient heritage

...plus a system of adhesive, gecko-like grooves in the soft, deeply wrinkled soles of its feet, The team has found that other special muscle and bone adaptations were also present in one of its extinct rainforest-dwelling Australian ancestors, fossils of which have been found at the rich Riversleigh World Herit...

Warmer environment means shorter lives for cold-blooded animals

...w a relatively small difference in latitude (Spain 43N and Russia 66N) could have such a drastic impact on lifespan. While one might expect that local adaptations or geographic variations in predator and food abundance would account for this disparity, we wanted to see whether the geographical variation in lifes...

High-tech vehicle design boosts emergency rescue capacity

...in Germany, around Europe and as far afield as India, Thailand, Kazakstan and Egypt. System Strobel now markets a range of aluminium-sandwich box-body adaptations based on standard on- and off-road vehicles such as Volkswagen, Mercedes Benz and Fiat vans and Unimog multi-purpose four-wheel-drive lorries. Aust...

US-Mexico border wall could threaten wildlife species

... of the fence. An impermeable barrier would isolate sheep populations and potentially reduce their genetic diversity, but the scientists say slight adaptations in the design of the fence could improve the animals' potential for connectivity while maintaining the desired security goals along the border. "Th...

Hidden genitalia in female water striders makes males 'sing'

...avors higher mating frequency in males than in females in many animals, including humans. This leads to an evolutionary "arms race" where males evolve adaptations that force females to mate, while females evolve defenses against males' attempts. As in the arms races between countries and political powers, it ...

Genome projects launched for three extreme-environment animals

...ect will provide essential tools for understanding its unique environmental adaptations and for monitoring the genetic health of this endangered species and assess... has not involved species migration or artificial selection. It has several adaptations for alpine-cold tolerance and most specifically for anti-hypoxia and runnin...

Laughing hyenas, wailing levees, the sound of cheese and blaring bagpipes

...s of fish that live in surface waters. Some of these deep-sea fish have adaptations similar to those of surface fish with heightened hearing: a connection betw...heir physiological purpose. "We have already found many specializations and adaptations in the eyes and olfactory systems of deep-sea fishes; it is reasonable to t...

Fossil evidence of missing link in the origin of seals, sea lions, walruses found in Canadian Arctic

...al Nature . Modern seals, sea lions, and walruses all have flipperslimb adaptations for swimming in water. These adaptations evolved over time, as some terrestrial animals moved to a semi-aquatic life...
adaptations in Biological Technology

McGraw-Hill Higher Education Introduces New Introductory Level Biology Content

...aid Kathleen Pelkki, a biology teacher at Saginaw Valley State University in Michigan. "Keeping evolution at the forefront with up-to-date examples of adaptations and relationships, this text has an ideal level of detail for the university student." The book's innovative art program clearly and creatively comm...

Honey bee invaders exploit the genetic resources of their predecessors

... this expansion, functional parts of the genome have changed more than nonfunctional parts. Whitfield thinks that these changes may involve social adaptations to survive the hard winters. The way the honey bees survive in temperate regions is sort of the way humans do, Whitfield said. They have a shelter....

Video: New Survey Finds Technology Plays a Critical Role in Lives of People with Multiple Sclerosis, Yet Many Are Not Using it to Overcome Disease-Related Challenges

...status, including switching from full-time to part-time or leaving work altogether, as a result of MS symptoms. Yet very few took advantage of adaptations that might have helped them remain in the workforce: only 12 percent asked their employers for more ergonomic equipment, tools, and furniture,...

First European IGRT School Takes Place for Radiotherapy Practitioners in UK

...ta from IGRT tools like the On-Board Imager device will be used to note changes in tumor size and shape over a course of treatment, and make real-time adaptations to the treatment plan. Editorial contact: Neil Madle, Varian Medical Systems, +44 7786 526068 About Varian Medical Systems Varian Medical Systems, ...

Innovate, Automate, or Improve? You Don't Have to Choose.

.... In fact, the more pre-packaged a solution, the more adaptation will be required in the non-technical parts of the overall system. Every one of these adaptations will impact the understanding of the situation and fitness of a particular approach. At the beginning of this learning process, we simply cant ask eno...

Who owns software developed for your company?

...access to, or ability to exploit, the copyrighted work that he authored. The final step in the test under Sec. 117(a) was to determine whether the adaptations that were created as an essential step in the utilization of the program were "used in no other manner." In evaluating this factor, the court relied o...

Control the community or just let go?

...to suspend their expectations and prepare to let the market tell them how their application will be used and be open to the programmatic and marketing adaptations needed to improve upon those unanticipated applications. That advice may never have been so apt as in the case of Wetpaint, which today sends to be...

No time for evolution in telecommunications

...his change alone will have significant impact on the industry. Broadband demand is growing along with the demand for new broadband content; technology adaptations are allowing for these faster speeds. Fearless forecasts Forecasts have missed some trends completely and severely over and underestimated oth...

Purification of Two Isoforms of Pyruvate Kinase from Nordic Krill Using an UNO Q1 Column, Rev A

...s, indeed, exhibit altered physicochemical and kinetic properties with the seasons and may contribute to the temperature adaptations of this species. Reference Vetter, R-A.H., and Buchholz, F., Comp. Biochem. Physiol., 116A , 110 (1997). ...

Cells-to-cDNA II Applications

...m/contact/techserv_email.html or phone at (800) 888-8804 option 2. Our customers frequently develop new and interesting adaptations of our Cells-to-cDNA technology. Do you have an unusual Cells-to-cDNA story? If so we would like to know! ...
adaptations in Biological Definition

Cold-blooded

...ism is so variable, poikilothermic animals do not easily support complex, high-energy organ systems such as brains or wings. Some of the most complex adaptations known involve poikilotherms with such organ systems. One example is the swimming muscles of Tuna , which are warmed by a heat exchanger . In genera...

Experimental evolution

...al conditions. With modern microbiological tools, it is possible to pinpoint the mutations that selection acts upon and what brought about the adaptations and to find out how exactly these mutations work. Because of the large number of generation required for adaptation to occur, evolution experiment...

Genetic drift

... genetic drift can result in sudden and dramatic changes in allele frequency that occur independently of selection. In such instances, many beneficial adaptations may be eliminated. Similarly, migrating populations may see founder's effect , where a few individuals with a rare allele in the originating genera...

Homeostasis

...y temperature, while ectothermic animals exhibit wide variation in body temperature. This is not to say that conformers may not have behavioral adaptations that allow them to exert some control over the parameter in question. For instance, reptiles often sit on sun -heated rocks in the morning to r...

Homunculus

... Alraune , in which a prostitute is impregnated with semen from a hanged murderer to create a woman devoid of morals or conscience. Several cinematic adaptations of Alraune have been made over the years, the most recent in 1952 with Erich von Stroheim . The 1995 film Species also appears to draw som...

Leaf

... 5 Leaf tips 6 Leaf bases 7 Hairiness 8 Leaf surfaces 9 adaptations 10 See Also 11 External link Leaf structure A struc...utgrowths. viscid, viscous: covered with thick, sticky secretions. adaptations In order to survive in a harsh environment , leaves can adapt in the fo...

Neuron

...Anatomy and histology 3 Connectivity 4 Types of signalling 5 adaptations to carrying action potentials 6 Histology and internal structure ...ynaptic receptors cause the cell to reach its threshold potential . adaptations to carrying action potentials The narrow cross-section of axons and dendr...

Plant

...t appeared during the Silurian period, and by the Devonian had diversified and spread into many different land environments. They have a number of adaptations that allowed them to overcome the limitations of the bryophytes. These include a cuticle resistant to desiccation, and vascular tissues which transpor...

Plant

...t appeared during the Silurian period, and by the Devonian had diversified and spread into many different land environments. They have a number of adaptations that allowed them to overcome the limitations of the bryophytes. These include a cuticle resistant to desiccation, and vascular tissues which transpor...

Red Queen

...tion. The recognition of a simple example of a biological arms race (from Richard Dawkins ) can be achieved by considering the contrast between two adaptations of the polar bear . This animal has a coat of hair which is thick to help the bear survive the cold of the arctic and white in order that the bear c...
adaptations in Biological Dictionary

Thermoregulation

...hermoregulation in the Columbia Encyclopedia, Computer Desktop Encyclopedia, computing dictionary. Thermoregulation : Physiological Responses and adaptations to Exercise in Hot and ... In this method of thermoregulation , the heat is given off in the form of ... Thermoregulation by panting has importa...

Proboscis

...mon. Smart Shopping at mySimon. Shop for The Proboscis Monkey - Books at Shop.com. Simple text and photos describe the homes bodies behaviors and adaptations of Proboscis monkeys and discusses ways... Proboscis monkeys are sexually dimorphic. ... The fur of the adult proboscis monkey is pink and br...

Predation

...dator's direct impact on ... If not important, prey will have no special adaptations for avoiding predation . ... some type of strategy for predation avoidan...ibes a biological interaction where a predator species ... Images showing adaptations specific to predation , anti-predator behavior etc are ... Let's look a...

Photorespiration

...UBISCO catalyzes two ... have no RUBISCO so cannot start photorespiration (nor the dark reactions of the Calvin cycle) ... Photorespiration and adaptations (C4 and CAM) for reducing it. ... Photorespiration may act as a safaty valve under these conditions. ... 9. What happens during the process calle...

Nonvascular plants

...an example of a nonvascular plant ? Read answer... Notes: Plants Nonvascular . Nonvascular Plants . ... NV ( nonvascular ) plants have 2 adaptations making the land home: a waxy cuticle ... Next: " Plants : Seedless. ... Although nonvascular plants appear to have these structures, they are...

Mutation

...tic ... A point mutation can be reversed by another point mutation , in which the ... At the same time, however, mutations can damage existing adaptations by harming ... Genetic Mutation ... Genetic mutation is the basis of species diversity ... A intermediate level expository answer to the ques...

Microevolution

...n between what is called ' microevolution ' ... Micro-evolution is the adaptations and changes within a species while macro ... There are three plainly obse...riations Confessions About " Microevolution " ... Microevolution looks at adaptations that concern only the survival of the ... Microevolution , broadly de...

Experimental evolution

...n , richard-lenski, historical-contingency ... ... details may be tested by experimental evolution of a trait for which an ... Experimental adaptations have addressed the evolution of life-history traits in ... ... evolution of a key innovation in an experimental ... E. coli Long-term Experi...

Adaptive radiation

...n the morphological and ecological diversity of a single, rapidly diversifying lineage. Phenotypes adapt in response to the environment,... ... of adaptations in the radiation of Angiosperms. ... Adaptive radiation . Co-adaptation. Co-evolution. Ecological trap. Exaptation. Intragenomic conflict ....

Adaptation

...ollaboration between leading organisations on climate adaptation and includes new and innovative tools and methods, datasets, experience and ... adaptations are well fitted to their function and are produced by natural selection. ... Mimicry of leaves by insects is an adaptation for evading predators. ....
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