NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,201 terms related to cancer and medicine.
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- listen (AL-fuh-BLAH-ker)
- A substance that relaxes muscle tissue in blood vessels and in the prostate gland, which improves the flow of urine and blood. Alpha-blockers are used to treat the symptoms of many conditions, such as benign prostatic hyperplasia (BPH), high blood pressure, and some blood circulation problems. Also called alpha-adrenergic antagonist.