John R. Hoffman is a Professor of Biology, public speaker and a scientist examining the recovery of the nervous system after injury. Since 2006 he has written several unpublished manuscripts and he is currently working on the first Nathaniel Smythe novel and short story collection. He spends his spare time with his family and running.

11. Integument (skin)

Specific Objectives:

At the end of this lecture, the student will be able to:

  1. Describe the major functions of the skin.
  2. Identify the two major layers of skin in terms of structure and function.
  3. Identify and describe the function of the four cell types found in the epidermis.
  4. Describe the process of differentiation of keratinocytes.
  5. Describe the production of melanin granules.
  6. Describe the importance of the blood supply to the dermis.
  7. Compare and contrast the three major glands of the skin.
  8. Describe the basic process of hair shaft and nail plate production.

Lectures

Part 1

This lecture examines the general characteristics of integumentary (skin) system.

Part 2

This lecture examines the characteristics of skin epidermis.

Part 3

This lecture examines the general characteristics of dermis of the skin.

Part 4

This lecture examines the general characteristics of integumentary appendages, such as hair, nails, and sweat glands.

Part 5

This lecture examines the general characteristics of integumentary (skin) disease conditions.

Laboratory

This video provides an overview of the important concepts to remember as studying histological images to learn about the skin and associated structures.

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