4: The Integumentary System
By the end of this section, you will be able to:
- Identify the components of the integumentary system
- Describe the layers of the skin and the functions of each layer
- Identify and describe the hypodermis and deep fascia
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- 4.1: Layers of the Skin
- This page explains the skin as a vital organ in the integumentary system, composed of three main layers: the avascular epidermis, vascular dermis, and hypodermis. The epidermis has multiple cell layers, while the dermis includes blood vessels and nerves, along with hair follicles and sweat glands. Additionally, it details hair and nails, which are keratin-based accessory structures that protect the body, with nails originating from specialized epidermal cells at the tips of fingers and toes.
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- 4.2: Exercises
- This page details lab exercises centered on the anatomy and physiology of skin and related structures. It includes tasks for labeling components of the integumentary system like hair follicles, sebaceous glands, epidermal layers, and nails. The exercises focus on skin accessories and histological features, enhancing understanding of skin structure and function. Each task is designed to progressively build knowledge by identifying specific parts and their roles.