Because of a lapse in government funding, the information on this
website may not be up to date, transactions submitted via the website
may not be processed, and the agency may not be able to respond to
inquiries until appropriations are enacted.
The NIH Clinical Center (the research hospital of NIH) is open. For more
details about its operating status, please visit
cc.nih.gov.
Updates regarding government operating status and resumption of normal
operations can be found at opm.gov.
The G switch allows our bodies to respond rapidly to hormones. See images 2537 and 2538 for labeled versions of this image. Featured in Medicines By Design.
National Institute of
