• WordNet 3.6
    • n collagen a fibrous scleroprotein in bone and cartilage and tendon and other connective tissue; yields gelatin on boiling
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Webster's Revised Unabridged Dictionary
    • n Collagen (Physiol. Chem) The chemical basis of ordinary connective tissue, as of tendons or sinews and of bone. On being boiled in water it becomes gelatin or glue.
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Century Dictionary and Cyclopedia
    • n collagen etc. See collagen, etc.
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Webster's Revised Unabridged Dictionary
Gr. ko`lla glue + -gen,


In literature:

The "collagen," obtained from tendons and connective tissues, also occurs in the cornea and sclerotic coat of the eye, and in fish scales.
"Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5" by Various
This output is chiefly obtained from food rich in nucleins and in collagenous matters, i.e.
"Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3" by Various
The gelatins are obtained from the collagen of the skin fibres, the bones, tendons, ligaments, cartilages, etc.
"Animal Proteins" by Hugh Garner Bennett

In news:

Collagen and elastin begin to deteriorate in your 30s, so "add a richer eye cream to your regimen to help maintain elasticity," says Dr Graf.
Shu -Tung Li, Founder and CEO of Collagen Matrix, Inc Selected for Induction into the New Jersey Inventors Hall of Fame.
Collagen therefore makes a major contribution to the appearance of the skin, producing the firm and smooth look desired by consumers.
They use ingredients to stimulate this form of collagen to smooth the skin.
Topical vitamin A derivatives that boost collagen to reduce fine lines and speed cell turnover to even out discoloration and smooth skin.
Shu- Tung Li, Founder and CEO of Collagen Matrix, Inc Selected for Induction into the New Jersey Inventors Hall of Fame.
For healthy skin, collagen is key: This naturally occurring protein keeps skin smooth and youthful, but our bodies produce less collagen as we get older.
These peptides change the elasticity of collagen in the bodies of sea cucumbers to cause rapid stiffening or softening, and the researchers believe that these findings could lead to new ways to maintain youthful skin.
Collagen keeps your skin firm and springy so you might say this nutrient erases wrinkles.
The idea is to use non- hormonal methods to stimulate collagen production and moisture retention.
As your body ages, it naturally produces less collagen, so your pout seems thinner over time.
YouTonics reformulated, repackaged and expanded its line of collagen protein drinks.
Polarization -Modulated Second Harmonic Generation in Collagen.
Parietex™ polyester mesh delivers all of the benefits of hydrophilic polyester , including tissue ingrowth and a collagen barrier to minimize visceral attachments, while providing patients with compliance and comfort.
Collagen levels drop off, leading to sagging, and our skin-cell turnover rate slows down dramatically, going from every 7-14 days in our teens to some 30-40 days in our 40s and 50s.

In science:

Torbet J, Ronziere M-C (1984) Magnetic alignment of collagen during selfassembly.
Magnetism, FeS colloids, and Origins of Life
Helices arise in nanosprings, carbon nanotubes, α−helices, DNA double and collagen triple helix, the double helix shape is commonly associated with DNA, since the double helix is structure of DNA .
Position vectors of a spacelike general helices in Minkowski Space $\e_1^3$
Another example is the triple helical structure of collagen.
Unwinding dynamics of double-stranded polymers
Tranquillo, Biased cell migration of fibroblasts exhibiting contact guidance in oriented collagen gels, Ann.
Scaling laws in the diffusion limited aggregation of persistent random walkers
Nature designs tough collagen: Explaining the nanostructure of collagen fibrils.
Mechanical Properties of Graphene Papers