Ultraviolet Flashcards
Ultraviolet (uvb) rays
From the sun hit our skin
UV light hits living keratinocytes
In the stratum bassale and the stratum spinosum and causes the cholesterol inside of them to be converted to vitamin d3
Vitamin d3 travels through the blood to the liver for
Modification and then to the kidney for maximum activation So, vitamin D undergoes modifications in both the liver and kidneys before becoming calcitriol,
Calcitriol is the biologically active form of vitamin D and is essential for regulating calcium and phosphate metabolism, promoting bone health, and supporting the immune system.
Vitamin d key functions
Increases calcium absorption from the small intestine-essential for bone and electrolyt balance
Numerous roles in a healthy immune response
Complex roles in maintaining cardiovascular health