Hair follicles originate in the dermis and result in hair growth. Occasionally hair follicles become infected.

Hair follicles

Two types of glands are present within the Dermis:
- Sweat glands
- Sebaceous glands

Types of Glands found within the Dermis

The middle layer of skin that contains connective tissue along with structures such as blood vessels, muscles, and nerves.

Austin Community College

The skin is made up of three different layers: 
- Epidermis
- Dermis
- Hypodermis.

Layers of the Skin

https://openstax.org/details/books/microbiology/

Microbiology covers the scope and sequence requirements for a single-semester microbiology course for non-majors. The book presents the core concepts of microbiology with a focus on applications for careers in allied health. The pedagogical features of the text make the material interesting and accessible while maintaining the career-application focus and scientific rigor inherent in the subject matter. Microbiology’s art program enhances students’ understanding of concepts through clear and effective illustrations, diagrams, and photographs.

Microbiology is produced through a collaborative publishing agreement between OpenStax and the American Society for Microbiology Press. The book aligns with the curriculum guidelines of the American Society for Microbiology.

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