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Om Dictionary of Energy
English Dictionaries. Bilingual Dictionaries. Also known as eczema. ATP: Abbreviation for adenosine triphosphate, an energy-storing molecule that is found in all human cells. There are two of these—the right atrium and the left atrium.
Because blood isn't pumped out of these chambers fully, it may pool and form clots that could lead to a stroke. A major part of the electrical system in the heart that acts as a gateway between the atria and the ventricles. An electrical signal generated by the sinoatrial node the heart's natural pacemaker moves through the heart until it reaches the atrioventricular node, a cluster of cells at the bottom of the right atrium. The AV node delays the signal before it is passed to the ventricles. This lets the atria fully contract before the ventricles contract.
The right atrium receives deoxygenated blood from the body; the left atrium receives oxygenated blood from the lungs. It also plays an important role in the fight or flight response to danger.
Dictionary of Radiation Terms
AV node: Abbreviation for atrioventricular node, a major part of the electrical system in the heart that acts as a gateway between the atria and the ventricles. B cell: White blood cells that come from bone marrow, and produce antibodies to fight off disease. Some bacteria cause disease, although most are harmless. A surgeon inserts and inflates a tiny balloon. It widens the blocked artery then expands a small wire mesh tube to keep the artery open.
A small, deflated balloon is inserted into the area and inflated to widen it. It involves swallowing a barium solution, which coats the esophagus and makes it possible for x-rays to see the inside of the intestine. Barrett's esophagus: The abnormal growth of stomach or small intestine cells in the esophagus, resulting from damage caused by the reflux of stomach acid; occasionally may transform into cancer.
Basal cell carcinoma doesn't spread to internal organs. Often called BPH.
law of conservation of energy
Bernstein test: A test to try to reproduce heartburn symptoms; used by doctors to diagnose GERD gastroesophageal reflux disease. Used to treat high blood pressure, heart rhythm problems, migraines, panic attacks, and other conditions. Beta blockers, also known as beta adrenergic blocking agents, are used to treat many cardiovascular conditions, including abnormal heart rhythms, angina, and high blood pressure.
They also improve survival after a heart attack. Binswanger's dementia: A type of dementia caused when blood flow is interrupted to the white matter of the brain, which lies beneath the cerebral cortex. It is a type of flavonoid. It refers to a post-treatment increase in the level of prostate-specific antigen in the bloodstream, indicating that prostate cancer has recurred or spread following the original treatment.
Also called biochemical failure. BMD: Abbreviation for bone mineral density, the amount of mineralized bone tissue in a given area.
Energy - Definition for English-Language Learners from Merriam-Webster's Learner's Dictionary
BMI: Abbreviation for body-mass index, a measure of body fat estimated from a person's height and weight. A healthy BMI is defined as Using English units, multiply weight in pounds by , then divide the result by height in inches, and divide that result by height in inches. Alternatively, a single large dose of a medication given intravenously. Botox: Brand name for a drug made of botulinum toxin type A that is injected into muscles and weakens them to ease the appearance of wrinkles.
Bouchard's nodes: Hard, bony growths that form on the middle joints of fingers in people with osteoarthritis. BPH: Abbreviation for benign prostatic hyperplasia, a noncancerous enlargement of the prostate gland that obstructs the flow of urine. Broca's area: The part of the brain in the frontal lobe of the left hemisphere responsible for language comprehension and speech. When referring to the heart, shorthand for coronary artery bypass surgery, used to divert blood flow around a blocked coronary artery.
CABG: Abbreviation for coronary artery bypass graft. Surgery to improve blood flow to the heart by diverting blood around a blocked artery. Often seen in breast tissue by mammography or in coronary arteries by x-ray or cardiac CT scans. Also known as trabecular bone.
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Carbohydrates are one of three primary nutrients along with fats and proteins. Also called sudden cardiac arrest. Cardiac arrest usually occurs as a result of a rapid ventricular rhythm ventricular tachycardia or a chaotic one ventricular fibrillation. Death occurs within minutes unless cardiopulmonary resuscitation and defibrillation are available. Commonly known as CPR. Also known as cardiorespiratory fitness.
Cardioversion can be external, using pads applied to the chest, or internal, from a pacemaker-like device called an implantable cardioverter defibrillator ICD. The carotid arteries supply blood to the brain. Sometimes called carotid artery stenosis. It is a major risk factor for ischemic stroke.