Assertion: epithelium's surface | /r/HasAspect | microvilli
Facets:
Source sentences:
text: The free surface may have microvilli.
text: The free surface may have microvilli.
text: Most apical surfaces have microvilli (small extensions of the plasma membrane) that increase surface area.
text: Free surface of the cells may have fine hair cilia or microvilli or may be smooth.