![[Pasted image 20250111161558.png]]
## Physiologic effects of aging on the skin
- ↘ cell replacement and recruitment
- ↘ injury response
- ↘ immune responsiveness
- ↘ functional capacity
- ↘ barrier function
- ↘ chemical clearance
- ↘ sensory perception
- ↘ vascular responsiveness
- ↘ thermoregulation
- ↘ production
- ↘ sweat
- ↘ Vitamin D
![[Pasted image 20250111162438.png | Histologic findings in aging skin]]
## Photoaging (actinic changes)
- Exam findings:
- rhytids
- laxity
- pigmentary mottling
![[Pasted image 20250111162151.png | Figure 2: Histologic findings of photoaging]]
#basicscience #Plastics