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1. Any of a class of extracellular proteins that are composed of three coiled polypeptide chains, form strong fibers, and are the main constituents of cartilage, bone, and other connective tissues in animals.
2. Material composed principally of collagen proteins. Collagen is converted into gelatin when boiled in water.
[Greek kolla, glue + -gen.]
col′la·gen′ic (-jĕn′ĭk), col·lag′e·nous (kə-lăj′ə-nəs) adj.
(Biochemistry) 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, collagenous adj
col•la•gen(ˈkɒl ə dʒən)
a strongly fibrous protein that is abundant in bone, tendons, cartilage, and connective tissue, yielding gelatin when denatured by boiling.
[1860–65; < Greek kólla glue + -gen]
col•lag•e•nous (kəˈlædʒ ə nəs) adj.
The tough, fibrous protein found in bone, cartilage, skin, and other connective tissue. Collagen provides these body structures with the ability to withstand forces that stretch or lengthen them.
A fibrous protein, the chief protein constituent of connective tissue.
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|Noun||1.||collagen - a fibrous scleroprotein in bone and cartilage and tendon and other connective tissue; yields gelatin on boiling|
connective tissue - tissue of mesodermal origin consisting of e.g. collagen fibroblasts and fatty cells; supports organs and fills spaces between them and forms tendons and ligaments