Return to course: Course 108: Anatomy of Skin and Hair

Course 108: Anatomy of Skin and Hair

Introduction

Layers of the Skin

Skin, Nature's Miracle Wrap

Prickle and Granular Cell Layers

Clear Cell and Horny Cell Layers

Primary Function of the Epidermis

Keratinocytes Prevent the Outward Loss of Body Fluids and Protect from the Environment

Melanocytes Protect from the Ultraviolet Rays of the Sun

Langerhans Cells Protect from the Environment

The Epidermal Appendages

Apocrine Glands

Sebaceous Glands

Eccrine Sweat Glands

Arrector Pili Muscles

The Pilosebaceous Unit

Inflamed Hair Follicles

Microorganisms and Skin

Follicular Stricture

Inflamed Hair Follicle Example: Flea Bite Dermatitis

What Penetrates the Skin

Factors That Contribute to Absorption

Anatomy of Skin and Hair

Hair Follicle Structures

Simple Versus Compound Hair Follicles

Hair Growth Cycles

The Predominant Factor that Stimulates Shedding

Cellular Responses to Irritants

Layers of the Hair

Characteristics of Canine Hair

Final Notes on Hair

Final Notes on Hair

Generalizations Regarding Hair

Melanocytes Protect from the Ultraviolet Rays of the Sun

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