The spleen filters and stores blood and immune factors and removes damaged red blood cells. It is a critical site for B and T cell activation as it contains crucial antigen presenting cells like macrophages and dendritic cells.

Spleen

Lymph nodes contain B and T cell germinal centers and antigen presenting cells like dendrites and macrophages. these lymphocytes come in contact with draining lymph from afferent sites through nearby lymphatic vessels. 

Lymph Nodes

- Primary Lymphoid Tissue
- Secondary Lymphoid Tissue

Types of Lymphoid Tissues

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.

Learn Before

Related

Learn After