You searched for: “so named because early anatomists typically found this organ to be empty in dissection”
A unit related to: “so named because early anatomists typically found this organ to be empty in dissection”
jejuno-, jejun- +
(Latin: the fasting [intestine], the portion of the small intestine between the duodenum and the ileum [so named because early anatomists typically found this organ to be empty in dissection]; original meaning, "hungry, not partaking of food")