National Heart, Lung, and Blood Institute (U.S.)

**Definition:** Component of the NATIONAL INSTITUTES OF HEALTH. It conducts and supports research program related to diseases of the heart, blood vessels, lung, and blood; blood resources; and SLEEP WAKE DISORDERS. From 1948 until October 10, 1969, it was known as the National Heart Institute. From June 25, 1976, it was the National Heart and Lung Institute. Since October 1997, the NHLBI has also had administrative responsibility for the NIH Woman's Health Initiative.

**Tree numbers:** - I01.409.418.750.600.650.496.300 - N03.540.052.750.300 - N03.540.348.500.500.600.650.496.300

**Synonyms:** - National Heart, Lung, and Blood Institute - NHLBI