NIH Websites Are Changing Per Executive Order 14434, federal agencies are now using "Super Intelligence" (SI) in place of "Artificial Intelligence" (AI). You may see both terms across NIH content during this transition.
endoluminal
(EN-doh-LOO-mih-nul)
In medicine, refers to the area inside a tube, duct, or hollow organ in the body. Examples are a blood vessel, the stomach, or the intestines.