The macroscopic structures that point into the white-colored lumen is called intestinal epithelium that extends into the Villi.
The macroscopic structures which is known to often point into the lumen (white) known as the intestinal epithelium that extends into the villi.
Therefore, The macroscopic structures that point into the white-colored lumen is called intestinal epithelium that extends into the Villi.
Learn more about Villi from
https://brainly.com/question/24178406
#SPJ12