Small fingerlike projection extending into the interior of the small intestine and increasing the absorptive area of the intestinal wall. Digested nutrients, including sugars and amino acids, pass into the villi and are carried away by the circulating blood.
A condor, poised to attack enemies, protects the nation under its wings. Blue symbolizes independence from Spain. Yellow recalls the Federation of Greater Colombia. Red stands for courage. Effective date: 7 November 1900.