Assertion: ileum's fold | /r/HasProperty | villi
Facets:
Source sentences:
text: Circular folds, villi and microvilli increase the surface area of the small intestine for digestion and absorption
text: The inner mucosa of the jejunum is thrown into folds called villi.
text: The circular folds, villi and microvilli increase the absorptive surface of small intestine 600 times beyond that of a cylindrical tube.
text: large circular folds called plicae circulares (shown in the diagram to the right), most numerous in the upper part of the small intestine smaller folds called villi, which are finger like mucosal projections, about 1mm long.