BIOLOGY 220

ANATOMY & PHYSIOLOGY I

OBJECTIVES

Unit III – INTEGUMENTARY SYSTEM

Functions
  1. Describe the functions of the skin.
  2. List the structural elements of the skin.

Epidermis
  1. Describe the structural elements of the epidermis.
  2. List the specific cell types located in the epidermis.
  3. Name the five layers of the epidermis, and describe their structure and function(s).

Dermis
  1. Name the two major layers of the dermis.
  2. Describe their function(s) and structural components.
  3. Define and describe hypodermis.

Skin Color and Tanning
  1. Describe the factors that normally contribute to skin color.
  2. Describe the mechanism of tanning.
  3. Describe the evolution of skin color.

Epithelial Derivatives
  1. Describe the structural components of hair.
  2. List the types of hair and name the factors that normally contribute to hair color.
  3. Briefly describe how hair growth is stimulated.
  4. Name and describe disorders of hair growth.
  5. List the structural components of a nail.
  6. Describe the function and structure of the sebaceous (oil) glands.
  7. Describe the function and structure of the sudoriferous (sweat) glands.
  8. Describe the functions of the glands derived from sweat glands.

Burns
  1. Define a burn.
  2. Differentiate among first-, second-, and third-degree burns.
  3. Define the method by which extend of burns is determined.

Tissue Repair
  1. List and describe the three major steps of tissue repair.

Glands
  1. Define and give examples of endocrine glands.
  2. Define and give examples of exocrine glands.
  3. Classify exocrine glands based on modes of secretion.