Illustration of collagen molecule. Collagen is a protein that is the main component of connective tissue such as skin, bones and tendons. | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / ARTUR PLAWGO |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |