disease - allergies

Coronary Artery Disease

allergen - a foreign substance to the body's immune system that may cause an allergic reaction.

allergies - disorders that involve an immune response in the body. Allergies are reactions to allergens such as plant pollen, other grasses and weeds, certain foods, rubber latex, insect bites, or certain drugs.

alpha-fetoprotein (AFP) - AFP is protein made by the fetus’ liver, in the fetal gastrointestinal (GI) tract and the yolk sac. During pregnancy, AFP crosses into the mother's blood. The level of AFP in the mother's blood can be measured to screen for disorders such as neural tube defects and Down syndrome. The mother’s AFP levels tend to be high with neural tube defects such as anencephaly and Spina bifida, and low with Down syndrome.

alpha-fetoprotein screening (AFP) - This blood test measures the levels of a substance called alpha-fetoprotein in the mother's blood. Abnormal levels can indicate a brain or spinal cord defect, the presence of twins, a miscalculated due date, or an increased risk of Down syndrome.

alveoli cells - tiny glands in the breast that produce milk.

amniocentesis - If necessary, this test is performed between 15 and 20 weeks of pregnancy and can indicate chromosomal abnormalities such as Down syndrome, or genetic disorders such as Tay Sachs disease, sickle cell disease, cystic fibrosis, and others. It also can detect the baby's sex and risk of spina bifida (a condition in which the brain or spine do not develop properly).

amniotic fluid - clear, slightly yellowish liquid that surrounds the unborn baby (fetus) during pregnancy. It is contained in the amniotic sac.

amniotic sac - During pregnancy, the amniotic sac is formed within the uterus and encloses the fetus. This sac bursts normally during the birthing process, releasing the amniotic fluid. A popular term for the amniotic sac with the amniotic fluid is the bag of waters.

amputation - removal of part or all of a body part, except for organs in the body. It usually takes place during surgery in a hospital operating room. It is done because of injury to the body part or problems from diabetes, hardening of the arteries, or any other illness that impairs blood circulation. It is also done to prevent the spread of bone cancer. Many amputees are able to be fitted with an artificial limb.

anemia - when the amount of red blood cells or hemoglobin (the substance in the blood that carries oxygen to organs) becomes reduced, causing fatigue that can be severe.

aneurysm - a thin or weak spot in an artery that balloons out and can burst.

angina - a recurring pain or discomfort in the chest that happens when some part of the heart does not receive enough blood. It is a common symptom of coronary heart disease, which occurs when vessels that carry blood to the heart become narrowed and blocked due to atherosclerosis. Angina feels like a pressing or squeezing pain, usually in the chest under the breast bone, but sometimes in the shoulders, arms, neck, jaws, or back. Angina is usually is brought on by exertion, and relieved within a few minutes by resting or by taking prescribed angina medicine.

anorexia nervosa - an eating disorder caused by a person having a distorted body image and not consuming the appropriate calorie intake resulting in severe weight loss.

anovulation - absence of ovulation.

antibiotics - drugs used to fight many infections caused by bacteria. Some antibiotics are effective against only certain types of bacteria; others can effectively fight a wide range of bacteria. Antibiotics do not work against viral infections.

allergies additional

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