The word 'tissue' has been adapted to several different uses. Although the scientific form of the word is the original meaning, the adaptions have expanded its use as a metaphor and an occasional idiom.
Examples of Tissue:
Science/medical: The physical tissues of plants and animals; may refer to different forms of organic materials.
Common usage: A thin form of disposable pulp paper for personal use as a cleaning or sanitary method.
Idiomatic usage: 'A tissue of lies' referring to a flimsy, easily disposed of series of untrue statements.
Associative usage: A 'tissue' may also be used as a description of a substance, in abstract.
Example of nervous tissue.
Connective tissue proper.