Final answer:
The breakdown of elastic tissue due to photoaging is called solar elastosis, which results from damage to collagen and elastin fibers in the dermis layer of the skin caused by prolonged UV radiation exposure.
Step-by-step explanation:
The breakdown of elastic tissue due to photoaging is typically referred to as solar elastosis. This condition arises when the elastic fibers in the dermis, which are responsible for the skin's resilience and elasticity, are damaged by prolonged exposure to ultraviolet (UV) radiation from the sun. Over time, UV radiation accelerates the degradation of collagen and elastin in the skin, leading to the appearance of wrinkles, sagging, and changes in skin texture commonly associated with aging. The skin loses its ability to snap back after being stretched, and fine lines and wrinkles become more permanent.
Other factors like the environment, smoking, and pollution can also contribute to this process. It's noteworthy that protective measures like using sunscreen and wearing protective clothing can help mitigate some of the damage caused by UV light exposure. Maintenance of skin health is crucial, as the effects of photoaging can be cumulative, leading to more pronounced skin aging symptoms over time.