The dermis for chapter 5 quiz

What does the dermis made out of?

collagen and eleastic fibers

What cells are in the dermis?

fibroblasts, macrophages, and adipocytes

Other characteristics of the dermis

• innervated

• highly vascularized

• Has glands and hair follicules

The two layers of dermis:

• Papillary layer

• Reticular layer

What is the deeper layer of the dermis?

Reticular

Structure of the papillary layer

• Areolar loose CT

• thin layer of CT

What protien fibers does the papillary layer have?

• Thin collagen

• Elastic

• Reticular

What cells does the papillary layer have

Fibroblasts and phagocytes

Function of papillary layer

• Forms dermal papillae to contact the epidermis

• contains receptors for light touch

Structure of reticular layer

• dense irregular CT

• sweat glands

• sebaceous glands

• hairs

What protien fibers does the reticular layer have?

Collagen fibers and some elastic fibers

What cells are found in the reticular layer?

fibroblasts and some adipose cells

Function of reticular layer

Has receptors for deep touch

Function of epidermal ridges

Enhances gripping ability

functions of dermal papillae

Houses capillary loopsand sensory receptors