An Epithelium Always Has an Exposed Surface, Which is Referred

Question

An epithelium always has an exposed surface, which is referred to as the ________ surface.
A) basal
B) lateral
C) apical
D) intercellular
E) basolateral

Accepted Answer

The exposed surface of an epithelium is the apical surface, which faces the external environment or a cavity within the body. The basal surface is anchored to the underlying tissue, the lateral surfaces are in contact with neighboring cells, and the intercellular space refers to the space between cells. The basolateral surface is a combination of the basal and lateral surfaces.