Human physiology is the science of the mechanical, physical, and biochemical functions of humans in good health, their organs, and the cells of which they are composed. The principal level of focus of physiology is at the level of organs and systems. Most aspects of human physiology are closely homologous to corresponding aspects of animal physiology, and animal experimentation has provided much of the foundation of physiological knowledge. Anatomy and physiology are closely related fields of study: anatomy, the study of form, and physiology, the study of function, are intrinsically tied and are studied in tandem as part of a medical curriculum.
Researchers at Columbia University Medical Center have discovered that the skeleton acts as a regulator of fertility in male mice through a hormone released by bone, known as osteocalcin.
The effect of a high-fat meal on blood vessel walls can vary among individuals depending on factors such as their waist size and triglyceride levels, suggests new research at UC Davis.
Northwestern University scientists have discovered a new mechanism in the core gears of the circadian clock. They found the loss of a certain gene, dubbed "twenty-four," messes up the rhythm of the common fruit fly's sleep-wake cycle, making it harder for the flies to awaken.
Ebstein's anomaly is a rare congenital valvular heart disease. Now, in patients with this disease, researchers of the Academic Medical Center Amsterdam in the Netherlands, the University of Newcastle, UK and the Max Delbr-ck Center for Molecular Medicine (MDC) Berlin-Buch have identified mutations in a gene which plays an important role in the structure of the heart.
Sanofi-aventis and Sunnybrook Health Sciences Centre announced that they have entered into a research agreement and licensing option for vasculotide, an investigational compound to treat chronic wounds. This includes neuropathic diabetic foot ulcers caused by a lack of sensation and neuropathic ulcers that are complicated by peripheral arterial disease, commonly called neuroischemic diabetic foot ulcers.
A breakthrough by scientists at Queen's University Belfast could help reduce heart failure in cancer patients around the world, and ultimately increase survival rates.
iWorx, a developer of advanced physiology research and teaching tools, has introduced its 2011 Product Catalog of physiology teaching and advanced research solutions.
Tiny, implantable computers that would restore brain function lost to disease or injury is the goal of University of Washington research recently funded by a $1 million, three-year grant from the W.M. Keck Foundation.
Like listeners adjusting a high-tech radio, scientists at Washington University School of Medicine in St. Louis have tuned in to precise frequencies of brain activity to unleash new insights into how the brain works.
Hibernating, it turns out, is much more complicated than one might think.
Using a unique and relatively simple cell-based fluorescent assay they developed, scientists with the U.S. Department of Energy's Lawrence Berkeley National Laboratory and the University of California, Berkeley have identified a means by which fluoxetine, the active ingredient in Prozac, suppresses the activity of the TREK1 potassium channel.
Numerous studies have shown that the brain molecule neuropeptide Y (NPY) helps to restore calm after stressful events. A team of University of Michigan-led researchers has now found that people whose genes predispose them to produce lower levels of NPY are more responsive to negative stimuli in key brain circuits related to emotion - and are therefore less resilient in the face of stress and may be at higher risk for developing a major depressive disorder.
Tufts University today announced the public launch of the Tufts Institute for Biomedical Partnerships website/HUB: www.tuftspharmapartners.org.
Acupuncture and physical exercise improve hormone levels and menstrual bleeding pattern in women with polycystic ovary syndrome (PCOS), reveals research from the University of Gothenburg, Sweden.
Starbucks recently announced a new-sized 31-ounce drink, the "Trenta," which will be in stores this spring. The mega-sized coffee joins the ranks of other energy drinks that can pack plenty of caffeine and calories. Ellen Schuster, a University of Missouri nutrition expert, says that Americans should be wary of extra calories and sugar in the quest for bigger, bolder drinks.
The quality and quantity of maternal milk and maternal-infant contact impact the stress response of the adult offspring, according to recent research published in Developmental Psychobiology.
A study which hopes to establish the health benefits from cocoa and vitamin C is looking for volunteers. Researchers at The University of Nottingham are trying to find ways of helping us maintain muscle mass as we grow old and want to hear from healthy men aged between 18-28 and 65-75.
From the highest mountaintop comes a new research report in the FASEB Journal that gets to the bottom of what happens to the hearts of people when exposed to low-levels of oxygen, such as those on Mount Everest or in the intensive care unit of a hospital.
University of Pittsburgh researchers have grown arteries that exhibit the elasticity of natural blood vessels at the highest levels reported, a development that could overcome a major barrier to creating living-tissue replacements for damaged arteries, the team reports in the Proceedings of the National Academy of Sciences.
In order for medical students to ultimately provide quality patient care medical schools should turn to radiologists to help them teach physiology, one of the core disciplines of medicine, according to a study in the February issue of the Journal of the American College of Radiology (www.jacr.org). Physiology is the science of the function of living systems.
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