Assertion: collagen | /r/HasSubevent | the loss of elasticity
Facets:
Source sentences:
text: As the skin ages, the levels of type I and III collagen, as well as elastin, decrease in the dermis, resulting in the loss of elasticity.
text: As the skin ages, the levels of type I and III collagen, as well as elastin, decrease in the dermis, resulting in the loss of elasticity.