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collagen

[kol-uh-juhn]

Example Sentences Origin

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noun Biochemistry.

any of a class of extracellular proteins abundant in higher animals, especially in the skin, bone, cartilage, tendon, and teeth, forming strong insoluble fibers and serving as connective tissue between cells, yielding gelatin when denatured by boiling.

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Origin:
1860–65; < Greek kólla glue + -gen

Related forms

col·lag·e·nous

[kuh-laj-uh-nuhs] , adjective

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Collagen is always a great word to know.

So is dense regular. Does it mean:

occurring at fixed intervals; normal, usual, ordinary, common

apparent attraction or repulsion between a liquid and a solid, observed in capillarity

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Example Sentences

The first two are administered in powdered form, in a capsule, while the collagen is a liquid given in orange juice.

The collagen scaffolding is gradually reabsorbed into the body.

The tests suggested the presence of collagen and other proteins, including hemoglobin, the protein in red blood cells.

EXPAND

The first two are administered in powdered form, in a capsule, while the collagen is a liquid given in orange juice.

The collagen scaffolding is gradually reabsorbed into the body.

The tests suggested the presence of collagen and other proteins, including hemoglobin, the protein in red blood cells.

Green laser light can trigger collagen fibers to link up in nerves and other damaged tissue.

Stewing meat for long periods over low heat breaks down collagen and other connective tissues.

And the researchers noticed that women seemed to lose collagen more rapidly then men.

The idea of building body parts on a scaffold made of collagen by using a patient's own cells is not new.

Blame the vulnerability of flesh on collagen and elastin-materials found in the second layer of our skin that give it elasticity.

And so let's talk about what collagen is, and where.

Perhaps the sticky stuff is a primitive version of silk, or maybe it's a solution filled with collagen fibers.

Collagen is the tough protein that helps build connective tissues such as tendons, bones, and ligaments.

Joints stiffen as their molecular mesh of collagen tightens, the same process that helped to strengthen them in early life.

Years of exposure to the ultraviolet rays of the sun have worn down the collagen that binds our skin cells together.

The secret lies in the collagen tissue of the tongue, which uncoils based on momentum, not muscle activity.

These proved to code for previously unknown proteins that mix with collagen to form actinotrichia.

Collagen implants and biologic fillers from animal, bacterial, or human sources may not provide long-lasting benefits.

What makes brisket a difficult meat to handle is its high collagen content.

Post strep autoimmunity causes direct problems to protein reactions, particularly amino acids and collagen protction.

The lens is made of a soft material called collamer, which is a blend of collagen and polyhema, a common lens material.

He was a world renowned authority on collagen and scleroderma and held leadership positions in many dermatologic organizations.

Post strep autoimmunity causes direct problems to protein reactions, particularly amino acids and collagen production.

The dye absorbs the light and catalyzes molecular bonds between the tissue's collagen.

Glogau agreed, and the body would respond by producing collagen.

Hyperelasticity occurs when there is a problem with the production of collagen fibers.

Collagen is a type of protein that makes up much of the body's tissue.

The laser delivers enough heat to shorten collagen fibers, restoring some elasticity to the skin.

The protein collagen is the major component in structural tissue in the body, including in the penis.

Collagen is the main protein found in all connective tissues of.

It reduces the signs of aging by stimulating collagen production.

Three of these reacted with antibodies to chicken collagen.

These elements have been shown to strengthen collagen bonds to reduce the appearance of fine lines and sagging”.

Botox and collagen injections for wrinkles, for example.

Once the collagen in skin breaks down from age and sun exposure, those wrinkles tend to linger.

It is caused by a mutation in a gene for a protein in connective tissue, called collagen.

He also removed scar tissue around his eyes and replaced it with collagen made from the skin of.

But the hormone did stimulate collagen production in the unexposed skin on people's hips.

Our pituitary glands steadily pump it out, helping our bones to extend, our muscles to bulk and our skin collagen to stretch.

They stop producing collagen and elastin, and cells break down.

COLLAPSE

Collins

World English Dictionary

collagen (ˈkɒlədʒən)

—n
	a fibrous scleroprotein of connective tissue and bones that is rich in glycine and proline and yields gelatine on boiling

[C19: from Greek kolla glue + -gen]

collagenic

—*adj*

collagenous

—*adj*

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source

Etymonline

Word Origin & History

collagen

c.1865, from Fr. collagène, from Gk. kolla "glue."

American Heritage

Medical Dictionary

collagen col·la·gen (kŏl'ə-jən)
n.
The fibrous protein constituent of bone, cartilage, tendon, and other connective tissue that converts into gelatin by boiling.

American Heritage

Science Dictionary

collagen

(kŏl'ə-jən) Pronunciation Key
Any of various tough, fibrous proteins found in bone, cartilage, skin, and other connective tissue. Collagens have great tensile strength, and provide these body structures with the ability to withstand forces that stretch them. Collagens consist of three polypeptide chains arranged in a triple helix, and are bundled together in fibers. When boiled in water, collagen is converted into gelatin.

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