Linked from
The 16 pages that link to Hydrogel, each with the reason it gives.
Contact lensRelated: Hydrogels made comfortable, flexible contact lenses possible.
MucusRelated: Mucus behaves as a biological hydrogel formed by mucin polymers.
MucilageRelated: Mucilage absorbs water and forms gel-like material around plant tissues.
Pendant groupRelated: Hydrophilic pendant groups help determine water uptake and swelling.