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.
Research led by David Hess of the Robarts Research Institute at The University of Western Ontario has identified how to use selected stem cells from bone marrow to grow new blood vessels to treat diseases such as peripheral artery disease.
A collaboration of University of Pennsylvania and University of Wisconsin chemists and anesthesiologists have identified a fluorescent anesthetic compound that will assist researchers in obtaining more precise information about how anesthetics work in the body and will provide a means to more rapidly test new anesthetic compounds in the search for safer and more effective drugs.
Nicotine isn't just addictive. It may also interfere with dozens of cellular interactions in the body, new Brown University research suggests.
In a study comparing the ability of various medical techniques to accurately determine the extent of heart disease and stratify patients according to disease severity, researchers found that myocardial perfusion testing with gated single photon emission computed tomography (gated SPECT) was a more accurate predictor of prognosis in chronic ischemic heart disease (IHD)-a painful condition caused by a temporary reduction of oxygen-rich blood to the heart.
Octogenarian women were unable to increase muscle mass after a 3-month weight lifting program targeted at strengthening the thigh muscle, according to a new study from the Journal of Applied Physiology.
Understanding the tens of thousands of proteins that compose the human proteome has emerged as a key challenge of this century, and research efforts to date have already enabled major advances in drug discovery and understanding basic biology.
Patients with moderate to severe chronic obstructive pulmonary disease (COPD) exhibit a disordered breathing-swallowing pattern that may account for their higher risk of aspiration pneumonia, according to new research from the University of Pittsburgh.
Research conducted by Nobel laureate Paul Greengard, Medical Director of The Michael Stern Parkinson's Research Center at The Rockefeller University, Dr. Jennifer L. Warner-Schmidt in New York and colleagues in Sweden, demonstrated in the Journal of Neuroscience that the brain protein called p11 could lead pharmaceutical companies to develop anti-depression drugs that begin working within hours or days rather than the weeks or even months required by current drugs.
A new study has identified several common genetic variants related to a risk factor for sudden cardiac death.
Scientists know that alcohol affects the brain, but the specifics remain unclear.
Our circadian clock, or biological timing system, governs our daily cycles of feeding, activity and sleep.
The problem of high blood pressure has reached pandemic proportions, causing premature death through heart attacks, strokes and kidney disease in a third of the UK population. For decades, scientists have battled at length over its cause yet still cannot agree; is the kidney or the brain to blame?
The University at Buffalo will receive $4.9 million in funding to conduct research on stem cells, part of a new investment in stem cell research announced yesterday by New York State Governor David A. Paterson.
Most people consume far too much salt, and a University of Iowa researcher has discovered one potential reason we crave it: it might put us in a better mood.
A new study led by University of Iowa researchers has found an unexpected new link between this inflammation in heart muscle following a heart attack and a previously known enzyme called calcium/calmodulin-dependent protein kinase II or CaM kinase II.
University of Washington (UW) researchers are helping to write the operating manual for the nano-scale machine that separates chromosomes before cell division.
Naked mole rats resemble pink, wrinkly, saber-toothed sausages and would never win a beauty contest, even among other rodents.
More than 40 percent of women ages 18-59 experience sexual dysfunction, with lack of sexual interest - hypoactive sexual desire disorder, or HSDD - being the most commonly reported complaint, according to medical researchers.
High levels of a protein linked to the way pain signals are sent to the brain led to a decrease in abdominal pain in a recent study in mice.
Researchers from the University of Michigan Comprehensive Cancer Center have identified a gene that is overexpressed in 90 percent of pancreatic cancers, the most deadly type of cancer.
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