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.
BioMed Central has announced the launch of BMC Systems Biology, the first open access journal focussed solely on the entire emerging subject of systems biology.
The University of Manchester's Wolfson Molecular Imaging Centre will carry out its first positron emission tomography (PET) brain scan on a patient volunteer this Friday (24 November 2006) at 10.00.
A new study shows that blood flow to the legs is relatively normal in people with diastolic heart failure, suggesting other potential causes of their inability to do everyday activities, according to researchers at Wake Forest University Baptist Medical Center.
University of Iowa scientists have made a discovery that broadens understanding of a rapidly developing area of biology known as functional genomics and sheds more light on the mysterious, so-called "junk DNA" that makes up the majority of the human genome.
Researchers in the U.S. have found that jet lag or rotating shift work shortens the lifespan in mice and they say it raises concerns for humans affected by time disruption.
A test using cultured cells provides an effective way to screen drugs against Huntington's disease and shows that two compounds - memantine and riluzole - are most effective at keeping cells alive under conditions that mimic the disorder, UT Southwestern Medical Center researchers report.
Researchers at the University of Washington (UW) are working on an implantable electronic chip that may help establish new nerve connections in the part of the brain that controls movement.
International experts have collaborated on a comprehensive collection of reviews focusing on the emerging interface between metabolomics and pharmacogenomics.
By investigating how animals can predict the timing of food availability, researchers have identified the first gene critical for anticipation of mealtime. This gene, called Period 2, is a key component of the circadian time-keeping system.
Using a combination of enzyme activity and metabolite profiling, we determined that this protein-whose function was previously unknown-serves as a key regulator of a lipid signaling network that contributes to cancer," said Benjamin F. Cravatt, a Scripps Research professor and a member of its Skaggs Institute for Chemical Biology who led the study.
Purdue University researchers have developed a biochip that measures the electrical activities of cells and is capable of obtaining 60 times more data in just one reading than is possible with current technology.
Biologists at the EPFL (Ecole Polytechnique Federale de Lausanne) have unveiled a new twist in a metabolic pathway that cells use to defend themselves against toxins made by disease-causing bacteria.
University of Florida researchers have discovered the appetite-controlling hormone leptin could also combat type 2 diabetes, a disease that has become a growing problem in the United States as more Americans pack on extra pounds.
Those who maintain that the busy pace of life offers no time to exercise have just run out of another excuse, unless of course they can't spare three minutes to exercise.
The National Institutes of Health (NIH) today awarded a set of cooperative agreements, totaling up to $52 million over five years, to launch the Knockout Mouse Project.
World Congress of Cardiology Report - Despite the dramatic advances in the care of patients with cardiovascular diseases that have occurred in the second half of the 20th century, heart failure (HF) is the most common cause of death in developed nations.
Physiologists may have found a way to decrease the risk of hardening of the arteries that accompanies the long-term use of protease inhibitors, a class of drugs that has emerged as the most effective treatment against HIV and AIDS.
South Africa's Department of Health last Thursday announced that it has allocated about $5 million this year to help achieve the goal of distributing three million female condoms in 2006, the SAPA/iafrica.com reports.
Longstanding anger and hostility compromise lung function and hasten the natural decline in lung power that is a normal part of aging, reveals research published ahead of print in Thorax.
Until about 15 years ago, insulin was believed primarily responsible for turning carbohydrates into fat. But then it became apparent that diet alone could stimulate glucose metabolism and fat synthesis, even when insulin levels were low or absent.
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