
Dermis
Higher magnification of the dermis shows that the papillary layer is composed of loose connective tissue. The reticular layer of the dermis is composed of dense, irregular connective tissue. Contrast the size of collagen bundles in these two layers. 400x

Epidermis
Higher magnification of the dermis shows that the papillary layer is composed of loose connective tissue. The reticular layer of the dermis is composed of dense, irregular connective tissue. Contrast the size of collagen bundles in these two layers. 400x

- Epidermal ridges (pegs)
Higher magnification of the dermis shows that the papillary layer is composed of loose connective tissue. The reticular layer of the dermis is composed of dense, irregular connective tissue. Contrast the size of collagen bundles in these two layers. 400x

Papillary layer of dermis
Higher magnification of the dermis shows that the papillary layer is composed of loose connective tissue. The reticular layer of the dermis is composed of dense, irregular connective tissue. Contrast the size of collagen bundles in these two layers. 400x

- Dermal papillae
Higher magnification of the dermis shows that the papillary layer is composed of loose connective tissue. The reticular layer of the dermis is composed of dense, irregular connective tissue. Contrast the size of collagen bundles in these two layers. 400x

Reticular layer of dermis
Higher magnification of the dermis shows that the papillary layer is composed of loose connective tissue. The reticular layer of the dermis is composed of dense, irregular connective tissue. Contrast the size of collagen bundles in these two layers. 400x

Collagen fibers >
The thin collagen fibers of the papillary layer are indicated by blue arrows; the thicker fibers of the reticular layer are indicated by the black arrows.