Question

what are the macroscopic structures, which point into the white - colored lumen, called? if you want to look at the slide again lower the labpad to the side or click the view image button. a) microvilli b) villi c) lymphocyte d) crypt

Explanation:

Microvilli are microscopic, not macroscopic. Lymphocytes are immune cells, not structures projecting into a lumen. Crypts are invaginations (not projections into the lumen). Villi are the macroscopic, finger-like structures that project into the lumen of the small intestine (the white-colored lumen referenced here).

Answer:

b) Villi