Ch 4 Objectives - The Integumentary System
Objective 1: List and define the terminology associated with the Integumentary system
 I can explain the difference between the skin’s inherent and adaptive features, and give examples of each.
 I know the embryonic layers of the skin.
 I can describe the development of the integumentary system.
 I can describe the causes of hair loss.
Objective 2: Describe the basic composition of the integumentary system
 I know the location of the epidermis and I can name its layers.
 I can describe the stratum basale/germinativum and its functions, including the roles of the dermal papillae, the
Malpighian layer, melanin, melanocytes
 I can describe the stratum spinosum and its characteristics.
 I can describe the stratum granulosum and its characteristics, including the function of keratin & keratocytes.
 I can describe the characteristics and location of the stratum lucidum and the stratum corneum.
 I can describe the process of desquamation.
 I can describe the location and the characteristics of the dermis, including the function of the hemidesmosomes
and the areolar connective tissue.
 I can describe the location and the characteristics of the subcutaneous layer and the structures it contains,
including fascia, adipose tissue, nerves & capillaries.
Objective 3: Describe the micro and macroscopic structures within the skin & describe the various skin appendages
 I can name the glands found in the skin, explain their locations and roles, and identify their secretions: ceruminous
glands, sebaceous glands, and sweat glands.
 I can differentiate between eccrine and apocrine sweat glands in terms of location and secretions.
 I can differentiate among the sensory receptors found in the skin in terms of location, form, and function: Free
nerve endings, Merkel cells, tactile corpuscles/Meissner’s corpuscles, Lamellated/Pacinian corpuscles, ruffini
receptors, and Krause end bulbs.
 I can describe the structure of nails including the following terms: Nail root, skin-nail fold, nail body/matrix, lunula,
& cuticle, AND I know the role played by keratocytes in nail formation.
 I can explain how hair is formed from the epidermis.
 I can describe the structure of a hair and its location: hair papilla, hair shaft, hair cortex, hair cuticle, hair medulla.
 I can describe the function of keratin and melanocytes in hair.
 I can explain the hair cycle.
 I can describe the hair’s accessory structures, their locations and their functions: arrector pili muscle and
sebaceous gland.
 I can differentiate among three types of hair: vellus hair, terminal hair, and pubic hair.
 I can explain why hair is often a valuable clue in police work.
Objective 4: Describe the functions of the Integumentary system
 I can name the four functions of the integumentary system.
 I can describe how the skin protects the body from three types of environmental damage: chemical, mechanical,
and microbial AND I can describe the role of commensals.
 I can describe how the skin participates in the body’s heat regulation.
 I can describe the role of sensation in the body and how the skin provides this.
 I can describe how the skin takes part in waste excretion.
Objective 5: Classify the various types of burns
 I can describe the three classifications of burns, (including the layers of skin that are affected and how the skin
responds to these injuries).