from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A form of collagen isolated from shark fins

from The Century Dictionary and Cyclopedia

  • n. An albuminoid belonging to the skeletins, found in certain cartilaginous structures of a shark (Mustelus lævis).


Sorry, no etymologies found.


  • Both genes code for proteins that make up a complex collagen-like structure called elastoidin, which is found in actinotrichia.

    Scientific American


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