of expenditure ahead of appropriation of funds from Congress. Institutes and centers The NIH is composed of 27 separate institutes and centers (ICs) that conduct and coordinate research across different disciplines of biomedical science. These are: National Cancer Institute (NCI) National Eye Institute (NEI) National Heart, Lung, and Blood Institute (NHLBI) National Human Genome Research Institute (NHGRI) National Institute on Aging (NIA) National Institute on Alcohol Abuse and Alcoholism (NIAAA) National Institute of Allergy and Infectious Diseases (NIAID) National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) National Institute of Biomedical Imaging and Bioengineering (NIBIB) National Institute of Child Health and Human Development (NICHD) National Institute on Deafness and Other Communication Disorders (NIDCD) National Institute of Dental and Craniofacial Research (NIDCR) National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) National Institute on Drug Abuse (NIDA) National Institute of Environmental Health Sciences (NIEHS) National Institute of General Medical Sciences (NIGMS) National Institute of Mental Health (NIMH) National Institute on Minority Health and Health Disparities (NIMHD) National Institute of Neurological Disorders and Stroke (NINDS) National Institute of Nursing Research (NINR) National Library of Medicine (NLM) Center for Information Technology (CIT) Center for Scientific Review (CSR) Fogarty International Center (FIC) National Center for Advancing Translational Sciences (NCATS) National Center for Complementary and Integrative Health (NCCIH) NIH Clinical Center (NIH CC) In addition, the National Center for Research Resources operated from April 13, 1962, to December 23, 2011. Previous directors See also List of institutes and centers of the National Institutes of Health United States Public Health Service Foundation for the National Institutes of Health National Institutes of Health Stroke Scale Heads of International Research Organizations NIH Toolbox National Institute of Food and Agriculture Biomedical Engineering and Instrumentation Program (BEIP) References External links National Institutes of Health in the Federal Register Regional Medical Programs Collection of information on NIH's Regional Medical Programs, from the National Library of Medicine Medical research institutes in Maryland International research institutes Life sciences industry Nursing research Cancer organizations based in the United States Buildings and structures in Bethesda, Maryland Hospitals in Maryland Science and technology in Maryland Government agencies established in 1887 Hospitals established in 1887 1887 establishments in Maryland Tourist attractions in Montgomery County, Maryland