THE INTEGUMENTARY SYSTEM THE INTEGUMENTARY SYSTEM IS MADE OF THE FOLLOWING: Integument (skin) Hairs Sweat Glands Oil Glands INTEGUMENTARY SYSTEM The skin is the largest organ in the body. It covers an area of square feet. The skin weighs approximately 6 pounds. FUNCTIONS OF THE INTEGUMENTARY SYSTEM Protection Excretion Sensation Immunity against disease Maintaining homeostasis LAYERS OF SKIN EPIDERMIS DERMIS SUBCUTANEOUS LAYER (HYPODERMIS) THE EPIDERMIS has 5 layers Stratum Corneum Stratum Lucidum Stratum Granulosum Stratum Spinosum Stratum Basale THE DERMIS Contains many fibers and cells Is made of 2 Regions known as the Papillary Region and Dermal Region PAPILLARY REGION OF THE DERMIS Binds dermis to epidermis Gives skin its toughness and flexibility. Contains blood vessels that supply nutrients to the skin. DERMAL REGION OF DERMIS Sebaceous Glands Sudoriferous Glands Sweat Gland Ducts Sweat Gland Pores Melanocytes Hair Follicles Hair Shaft Arrector Pillae muscle Pacinian & Meisners Corpuscles THE SUBCUTANEOUS LAYER This lies beneath the dermis and consists of loose connective tissue and adipose tissue. It helps insulate the body and conserve heat. ADDITIONAL TERMINOLOGY Sebum Melanin Sweat Eccrine Sweat Glands Apocrine Sweat Glands DISEASES AND DISORDERS OF THE INTEGUMENTARY SYSTEM ALOPECIA CONGENITAL GENERALIZED HYPERTRICHOSIS SEBORRHEA HYPERHIDROSIS ACNE BLACKHEADS PIMPLES MOLES CALLUSES CORNS BOILS KELOIDS WARTS PRESSURE ULCERS ORAL HERPES CYANOSIS NECROSIS ATHLETES FOOT DERMITITIS ECZEMA ERYTHEMA PRURITIS PSORIASIS UTICARIA SKIN CANCER SQUAMOUS CELL CARCINOMA BASAL CELL CARCINOMA MALIGNANT MELANOMA SKIN CANCER STUDY GUIDE FOR INTEGUMENTARY TEST ADIPOSE TISSUE ARRECTOR PILLAE BOILS COMEDONES DERMITITIS ERYTHEMA HYPERHIDROSIS MELANIN NECROSIS PRESSURE ULCER PUSTULES SEBACEOUS GLAND SUDORIFEROUS GLAND WARTS BASAL CELL CARCINOMA Name the 3 layers of the skin Name the 5 layers of the epidermis Name the 4 parts of the integumentary system Name the 5 functions of the integumentary system. Label the drawing. ALOPECIA ATHLETES FOOT CONGENITAL GENERALIZED HYPERTRICHOSIS CYANOSIS ECZEMA HERPES KELOID MOLES PACINIAN & MEISNERS CORPUSCLES PRURITIS SEBORRHEA SEBUM UTICARIA SQUAMOUS CELL CARCINOMA MALIGNANT MELANOMA HOMEOSTASIS