Label the following: Hair follicle, Sebaceous gland, Epidermis, Dermis (papillary layer), Dermis (reticular layer), Hypodermis, Arrector pili muscle, Sweat gland. Oil gland (produces sebum) Subout Epidermis Dermis

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Educational Diagram: Skin Anatomy**

**Instructions:** Label the following structures:
- Hair follicle
- Sebaceous gland
- Epidermis
- Dermis (papillary layer)
- Dermis (reticular layer)
- Hypodermis
- Arrector pili muscle
- Sweat gland

**Diagram Description:**

This diagram depicts a cross-section of human skin with multiple labeled components essential for understanding skin anatomy.

1. **Epidermis** - The outermost layer of the skin, shown at the top of the diagram.
2. **Dermis**
   - **Papillary Layer**: The upper part of the dermis, under the epidermis.
   - **Reticular Layer**: The lower part of the dermis, denser than the papillary layer.
3. **Subcutaneous Layer (Hypodermis)** - The bottom-most layer composed largely of fat cells, depicted with clusters of yellowish-brown structures.
4. **Oil Gland (Sebaceous Gland)** - Produces sebum, labeled to indicate its location near hair follicles.
5. **Blood Vessels** - Illustrated primarily near the dermis and hypodermis, representing the vascular support of the skin.
6. **Arrector Pili Muscle** - Indicated as a structure connected to the hair follicle; responsible for causing "goosebumps."
7. **Sweat Gland** - Shown coiled near the dermis, leading to a pore on the skin surface.
   
This information serves an educational purpose for understanding the complex structure and function of human skin.
Transcribed Image Text:**Educational Diagram: Skin Anatomy** **Instructions:** Label the following structures: - Hair follicle - Sebaceous gland - Epidermis - Dermis (papillary layer) - Dermis (reticular layer) - Hypodermis - Arrector pili muscle - Sweat gland **Diagram Description:** This diagram depicts a cross-section of human skin with multiple labeled components essential for understanding skin anatomy. 1. **Epidermis** - The outermost layer of the skin, shown at the top of the diagram. 2. **Dermis** - **Papillary Layer**: The upper part of the dermis, under the epidermis. - **Reticular Layer**: The lower part of the dermis, denser than the papillary layer. 3. **Subcutaneous Layer (Hypodermis)** - The bottom-most layer composed largely of fat cells, depicted with clusters of yellowish-brown structures. 4. **Oil Gland (Sebaceous Gland)** - Produces sebum, labeled to indicate its location near hair follicles. 5. **Blood Vessels** - Illustrated primarily near the dermis and hypodermis, representing the vascular support of the skin. 6. **Arrector Pili Muscle** - Indicated as a structure connected to the hair follicle; responsible for causing "goosebumps." 7. **Sweat Gland** - Shown coiled near the dermis, leading to a pore on the skin surface. This information serves an educational purpose for understanding the complex structure and function of human skin.
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