The rhizines of lichen are the hyphal bundles used to attach to the substrate.

Structural Components of Lichen

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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.

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The cortex of a lichen is the tightly packed fungal layer. 

Lichen Cortex

Lichen Thallus

The medulla of a lichen is the loosely packed fungal layer.

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