Assertion: mucous membrane | /r/HasProperty | a quantity of retiform tissue
Facets:
Source sentences:
text: As in the small intestine, the mucous membrane consists of a muscular layer, the muscularis mucosæ; a quantity of retiform tissue in which the vessels ramify; a basement membrane and epithelium which is of the columnar variety, and resembles the epithelium found in the small intestine.