In the ABCD rule, D stands for:  (be detailed)

In osteoporosis 

Describe all the pigments responsible for skin and colors (origin, color)

They empty in hair follicles

Bones that have sinuses are the:

For the growth of bones in width epiphysial plate is essential

What chemicals induce photosensitivity?

Does the integumentary system house pressure and pain receptors?

Which one is not a function of the integumentary system?

List ALL the locations of hyaline cartilage.