3.2 The Integumentary System Latest Version Already Passed

Dermis Layer of skin between the epidermis and hypodermis; includes nerve endings, glands, and hair follicles Epidermal dendritic cells Skin cells that initiate an immune system response to the presence of foreign bacteria or viruses Epidermis The outer layer of skin Hypodermis The layer of skin beneath the dermis, which serves as a storage repository for fat Integumentary system Enveloping organ of the body that includes the epidermis, dermis, sudoriferous and sebaceous glands, and nails and hair Keratin A tough protein found in the hair and nails. It also strengthens skin.Keratinocytes Cells within the epidermis that produce keratin Melanin A pigment that protects the body against harmful effects of ultraviolet ray damage from the sun Melanocytes Specialized cells in