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 & Meisner’s 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

ATHLETE’S 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 ATHLETE’S FOOT CONGENITAL GENERALIZED HYPERTRICHOSIS CYANOSIS ECZEMA HERPES KELOID MOLES PACINIAN & MEISNER’S CORPUSCLES PRURITIS SEBORRHEA SEBUM UTICARIA SQUAMOUS CELL CARCINOMA MALIGNANT MELANOMA HOMEOSTASIS