Today's Medical Fact
Eating breakfast helps to burn calories throughout the day.
Click one of the letters above to be taken to a page of all terms beginning with that letter.
- The pancreas is a large organ located in the abdomen that produces enzymes for food digestion and several hormones, including insulin which is needed by the body to regulate blood sugar levels.
- Pericardium is the double-layered fluid-filled membranous sac that encloses the heart and the major blood vessels connected to it.
- Phospholipids are one of the three classes of fats (other types are triglycerides and sterols). Phospholipids are an important component of the structure and function of cell membranes.
- Physical Activity
- Physical activity refers to any form of exercise or movement. Physical activity may include planned activities such as walking, running, strength training, basketball, or other sports. Physical activity may also include daily activities such as household chores, yard work, walking the dog, etc. It is recommended that adults get at least 30 minutes of moderate-intensity physical activity for general health benefits. Adults who wish to lose weight may need 60 minutes of physical activity on most days and adults who wish to maintain lost weight may require 60 to 90 minutes of physical activity. Children should get at least 60 minutes of moderate-intensity physical activity most days of the week. Moderate-intensity physical activity is any activity that requires about as much energy as walking 2 miles in 30 minutes.
- Plaque is a buildup of cholesterol and fatty material on blood vessel walls. The build-up causes narrowing or blockage of the arteries, which can lead to heart disease.
- Pneumonia is an infection in the lungs that is usually caused by a virus, bacteria, fungus, or an inhaled chemical irritant.
- Polyunsaturated Fat
- Polyunsaturated fat is an unsaturated fat and liquid at room temperature. Polyunsaturated fat is a good kind of fat and is needed by the body's cells to function properly, but as all types of fat it can cause weight gain if there is too much in the diet. Foods containing polyunsaturated fat include corn oil, soybean oil, safflower oil, and many types of nuts.
- The prostate is a gland in the male reproductive system located just below the bladder that is involved in the production and storage of semen.
- Prostate Cancer
- Prostate cancer is cancer that begins in a man's prostate gland and may spread to other parts of the body. The prostate is a gland in the male reproductive system that is involved in the production and storage of semen. Cancer is a disease caused by the uncontrolled growth of abnormal cells in the body.
- Proteins are a group of organic compounds that are necessary for the body's growth and function. They are used to build and maintain cells and body structures including skin, hair, enzymes, hormones, antibodies, cytokines (chemical messenger molecules), blood, bone, and muscle tissue. The body requires protein in the diet, which is found in food items such as meat, fish, poultry, beans, nuts, dairy products, eggs, and tofu.
- Psoriasis is a noncontagious skin disease characterized by patches on the skin that are often red and severely inflamed with white flakes. It is treatable, but not curable.
- Pyloric Valve
- Pyloric valve (sphincter) is the ring of muscles at the stomach opening between the stomach and the small intestine.
- Pylorus is the opening of the stomach into the small intestine.