They become more large and are less able to divide and multiply.Which as an increase in pigment and a fatty substance inside the cell . (Hopes this helped)
Semi permeable membrane will allow something to pass through them and something not and it will allow on the basis of size particles
while differentialy permeable will include other factors also other than size and will depend on the need of the cell
this is the main difference between them
hope it helps<span />
Answer:
The papillary layer provides the layer above it, the epidermis, with nutrients to produce skin cells called keratinocytes. It also helps regulate the temperature of our skin and thus the body as a whole
