elastin
/ɪˈlæstɪn/
noun
- A protein in the body that allows tissues like skin, lungs, and blood vessels to stretch and return to their original shape.
- The lungs contain elastin, which helps them expand and contract when you breathe.
- Elastin keeps your skin firm and elastic as you move.
- As people age, their skin loses elastin, which leads to wrinkles.