geno-, gen-, genit-, gener-, -gen
(Greek > Latin: race, kind; line of descent; origin, creation; pertaining to sexual relations, reproduction, or heredity; and more recently, a gene or genes)
2. The history of the development of a group of organisms.
2. An evolutionary change by the branching off of new species from common ancestral types.
Collagens have great tensile strength, and provide these body structures with the bility 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.
Collagen supplies the matrix in which the calcium salts that give the bones their hardness are deposited. Collagen is the substance of cartilage and tendon.
2. Characterized by existing, usually before birth, or by referring to conditions that are present with a baby, regardless of their cause: Tommy was diagnosed as being hard of hearing when he was born and this was commented on by the doctors as being a congenital health problem.