Containing, composed of, or rich in collagen; having the characteristics of collagen.
From 'collagen' + '-ous' (adjective-forming suffix meaning 'full of' or 'containing'), used in medical and anatomical terminology since the 19th century.
Your tendons are almost pure collagenous tissue—it's what makes them stretchy yet strong, and when you see a ballet dancer's incredible flexibility, you're seeing the result of extremely well-organized collagenous fibers.
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