The Integumentary System: Your Body's Protective Barrier

University:
University of Alberta
Course:
NURS 106 | Foundations of Anatomy and Physiology for Nursing
Academic year:

2024
Views:

297

Pages:

1
Author:

Ali O

Unit 2 Review: ● Define the term integumentary system and describe the functions of this system. ○ The integumentary system includes your skin, hair, sweat glands, and nails ○ Your body’s first line of defense ○ Functions: ■ Protects against environmental hazards ■ Helps regulate body temperature ■ Provides sensory information ● What are the four types of cells found within the epidermis and their protective functions? ○ Keratinocytes: skin thickness and strength, makes keratin ○ Melanocytes: makes melanin (pigment) ○ Merkel cells: for sensation ○ Langerhan cells: function in the immune response ● List and describe the various types of glands associated with the skin. ○ Sebaceous glands: secrete sebum ○ Apocrine sweat glands: secrete their products into hair follicles ○ Eccrine sweat glands: discharge their secretions onto the surface of the skin ● Compare and contrast sebaceous and sudoriferous (sweat) glands and their secretions. ○ Listed above ● Differentiate between thick and thin skin and the layers within each ○ Thick skin has an additional layer (5 layers) with the extra stratum lucidum layer 1. Stratum corneum 2. Stratum lucidum 3. Stratum granulosum 4. Stratum spinosum 5. Stratum basale ● Label the structures of the skin ○ In the labeling document ● Describe the structure and function of accessory structures (hair, nails) ○ Hair: cushion, protection, insulation, sensation ○ Nails: protects the fingers and toes