intestinal villi
(in-TES-tih-nul VIH-ly)
Tiny hair-like projections that line the inside of the small intestine. They contain blood vessels and help absorb nutrients.
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.