- Dura Mater
- Arachnoid mater
- Pia mater

University of Wisconsin - Madison

The meninges are the membrane layers that protect the surrounds the brain. They are found beneath the skull.

Meninges

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.

OpenStax Microbiology Textbook

Meningeal Membranes Protecting the Brain

Bacterial meningitis is an infection of the meninges caused by bacteria entering the central nervous system. Bacteria can enter from the nose, mouth, ears or from prior traumas. 

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