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.
Women aged 65-plus find it harder than men of the same age to preserve muscle - which probably impacts on their ability to stay as strong and fit, according to new research.
New York University biologists have mapped the medulla circuitry in fruit flies, setting the stage for subsequent research on how color vision is processed.
Up to now, it was thought that beta-blockers work directly on the heart, but the new study shows that the drugs may also act via the brain, suggesting that future therapies to treat cardiovascular disease could be targeting the central nervous system.
Researchers at the University of Pennsylvania School of Medicine have provided, for the first time, a detailed look at the molecular pathways underlying sleep apnea, which affects more than twelve million Americans, according to the National Institutes of Health.
Liver hepatocarcinoma is a highly vascularized cancer, and more and more research is focused on the molecules controlling angiogenesis.
For accuracy's sake, medical professionals should use the same software for comparing and analyzing diagnostic heart images taken from different time periods and laboratories, a team of researchers has concluded.
Scientists have long known that the nervous system receptor known as TRPV1 can affect sensations of pain in the body.
Chronic sleep disruption can cause heart and kidney disease, researchers at the Peter Munk Cardiac Centre of the Toronto General Hospital have discovered.
Researchers from the University of Illinois at Chicago College of Medicine have discovered that a change in the location of a protein in the brain could serve as a biomarker for depression, allowing a simple, rapid, laboratory test to identify patients with depression and to determine whether a particular antidepressant therapy will provide a successful response.
Researchers from the University of Illinois at Chicago College of Medicine have discovered that a change in the location of a protein in the brain could serve as a biomarker for depression, allowing a simple, rapid, laboratory test to identify patients with depression and to determine whether a particular antidepressant therapy will provide a successful response.
The widely used synthetic progestin medroxyprogesterone acetate (MPA) decreased endothelial function in premenopausal women in a study done at the University of Oregon.
Cancer cells get a helping hand from platelets, specialized blood cells involved in clotting.
University of Iowa researchers have identified a molecular pathway in blood vessels that controls blood pressure and vascular function and may help explain why certain drugs for type II diabetes also appear to lower patients' blood pressure.
Two cell proteins that relax the gut and help accommodate a big meal have been identified by UCL (University College London) scientists.
Kidney stones are very common - and painful - in men. About 3 in 20 men (1 in 20 women) in developed countries develop them at some stage.
Frustrated by the slow pace of new drug development for a condition that causes pediatric brain tumors, a neurologist at Washington University School of Medicine in St. Louis decided to try to fine-tune the animal models used to test new drugs.
Low-fat diets are more effective in preserving and promoting a healthy cardiovascular system than low-carbohydrate, Atkins'-like diets, according to a new study by researchers at the Medical College of Wisconsin in Milwaukee.
The cancer-related protein Akt may profoundly influence the fate of the tau protein, which forms bundles of tangled nerve cell fibers in the brain associated with Alzheimer's disease, reports a new study led by researchers at the University of South Florida and the Mayo Clinic in Jacksonville, FL.
Hormones produced by the heart eliminated human pancreatic cancer in more than three-quarters of the mice treated with the hormones and eliminated human breast cancer in two-thirds of the mice, according to researcher David Vesely, a doctor at the James A. Haley Veterans Hospital in Tampa and a professor at the University of South Florida (USF).
Australian scientists say a hormone that suppresses hunger may be far more powerful when it comes to weight loss than first thought.
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