Apical: The adjective for apex, the tip of a pyramidal or rounded structure, such as the lung or the heart. For example, an apical lung tumor is a tumor located at the top of the lung.
Apiphobia: Fear of bees. A phobia is an unreasonable sort of fear that can cause avoidance and panic. Phobias are a relatively common type of anxiety disorder. Phobias can be treated with cognitive behavioral therapy using exposure and fear reduction techniques. In many cases, anti-anxiety or anti-depressant medication proves helpful, especially during the early stages […]
Aplasia: Failure to develop. This is not to be confused with the word, atrophy, which means that something develops and then wastes away.
- Aplasia of the breast
Aplasia of the breast: A rare condition wherein the normal growth of the breast or nipple never takes place. They are congenitally absent. There is no sign whatsoever of the breast tissue, areola or nipple. There is nothing there. Breast aplasia (also called, amastia) is frequently not alone as the only problem. Unilateral amastia (amastia […]
- Aplastic anemia
Aplastic anemia: Anemia due to failure of the bone marrow to produce red and white blood cells as well as platelets. Aplastic anemia frequently occurs without a known cause. Known causes include exposure to chemicals (for example, benzene, toluene in glues, insecticides, solvents), drugs (for example, chemotherapy drugs, gold, seizure medications, antibiotics), viruses (for instance, […]
- APLS (antiphospholipid antibody syndrome)
APLS (antiphospholipid antibody syndrome): An immune disorder characterized by the presence of abnormal antibodies in the blood associated with abnormal blood clotting, migraine headaches, recurrent pregnancy losses (repeat spontaneous abortions), and low blood platelet counts (thrombocytopenia). The abnormal antibodies are directed against phospholipids, fats that contains phosphorous. APLS can occur by itself (primary APLS) or […]