Where Are Epidermal Ridges Found What Is Their Appearance? A pattern of ridges and grooves on the deep surface of the epidermis fit a complementary pattern of corrugations of the underlying dermis. The projections of the dermis are called dermal papillae and those of the epidermis, epidermal ridges (pegs), because of their appearance in vertical
How Is The Papillary Layer Responsible For Fingerprints? In a growing fetus, fingerprints form where the cells of the stratum basale How does the papillary layer cause fingerprints? Another feature of some parts of the papillary layer is dermal ridges. These ridges cause ridges in the overlying epidermis, called epidermal ridges. Those ridges and the
How Can Cortisone Travel Through The Epidermis? Cortisone must be lipid soluble so it can easily diffuse through the cell membrane. Cortisone is a steroid that is applied to the skin to reduce inflammation. Cortisone acts on cells within the dermis and can travel through unbroken epidermis to reach cells in the dermis. Which epidermal