collagen
collagen /ˈkɒl.ə.dʒən/ aep /ˈkɑː.lə-/ noun [U]
1 F0 a protein found especially in the joints (= places where two bones are connected) of humans and animals Thesaurus+: ↑Substances and structures in the bodycollagen implant/injection2 F0 an injection of collagen into the lips or skin to make the lips appear larger or the skin appear younger and smoother Thesaurus+: ↑Surgery |