Collagen is a protein that aids the joining of tissues.
Source: tatoeba (1214155)
Ranked by relevance and common usage.
Keep "collagen" when the sentence already sounds natural, when a synonym would add unintended emphasis, or when readers need the most familiar wording. A synonym should clarify or sharpen the message, not simply make the sentence look more varied.
If two options seem close, choose the one that best matches the audience and purpose of the sentence.
Choose a synonym only if it keeps the core idea of "collagen" intact in the sentence you are editing.
Check whether the replacement sounds more formal, casual, emotional, technical, or forceful than the original word.
Read the full sentence after the swap. Keep the synonym only when the sentence becomes clearer or more precise.
Review note: Synonym lists are ranked with lexical data and reviewed for practical writing value. Use the comparison notes, sentence evidence, and source labels together; a high-ranking synonym can still be wrong when the audience, register, or grammar changes.
After choosing a replacement for "collagen", read the sentence once for meaning and once for rhythm. The best synonym should feel natural in the full sentence, not only accurate in a word list.
If the synonym makes the sentence slower, vaguer, or more dramatic than intended, keep "collagen" or choose a simpler alternative from the closest-match group.
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4 total sentences available.
Collagen is a protein that aids the joining of tissues.
Source: tatoeba (1214155)
According to the scientific report, published in the online journal Biofabrication, the printed skin has all the essential parts of the natural skin, such as the dermis (the layer of tissue that contains capillaries, nerve endings and other structures), the epidermis (the layer of cells atop the dermis), the stratum corneum (the horny outer layer), and even the collagen, which gives skin its elasticity and mechanical strength.
Source: tatoeba (10839402)
To address wrinkling below eye level, plastic surgeons turn to fillers, including tiny plastic beads, liquid silicone, and collagen from cows and even humans to plump up the grooves in one's skin.
Source: tatoeba (11098697)
Science cannot yet account for the conversion of collagen into gelatin.
Source: wiktionary
Closest matches include biomaterial collagen, biomaterial protein, fibrous protein, hemoglobin, natural polymer.
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.