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- https://bio.libretexts.org/Courses/Butte_College/BC%3A_BIOL_2_-_Introduction_to_Human_Biology_(Grewal)/Text/20%3A_Immune_System/20.2%3A_Introduction_to_the_Immune_SystemThe immune system is a host defense system. It comprises many biological structures —ranging from individual white blood cells to entire organs — as well as many complex biological processes. The func...The immune system is a host defense system. It comprises many biological structures —ranging from individual white blood cells to entire organs — as well as many complex biological processes. The function of the immune system is to protect the host from pathogens and other causes of disease such as tumor cells. To function properly, the immune system must be able to detect a wide variety of pathogens.
- https://bio.libretexts.org/Courses/Community_College_of_Vermont/Human_Biology_(Gabor_Gyurkovics)/08%3A_Immune_System/8.01%3A_Case_Study-_Your_Defense_SystemAs you read this chapter, you will learn about the functions of the immune system, and the specific roles that its cells and organs - such as B and T cells and lymph nodes - play in defending the body...As you read this chapter, you will learn about the functions of the immune system, and the specific roles that its cells and organs - such as B and T cells and lymph nodes - play in defending the body. At the end of this chapter, you will learn what type of lymphoma Brian has and what some of his treatment options are, including treatments that make use of the biochemistry of the immune system to fight cancer with the immune system itself.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/General_Biology_2e_(OpenStax)/07%3A_Unit_VII-_Animal_Structure_and_Function/7.10%3A_The_Immune_SystemThe environment consists of numerous pathogens, which are agents, usually microorganisms, that cause diseases in their hosts. A host is the organism that is invaded and often harmed by a pathogen. Pat...The environment consists of numerous pathogens, which are agents, usually microorganisms, that cause diseases in their hosts. A host is the organism that is invaded and often harmed by a pathogen. Pathogens include bacteria, protists, fungi and other infectious organisms. We are constantly exposed to pathogens in food and water, on surfaces, and in the air. Mammalian immune systems evolved for protection from such pathogens.
- https://bio.libretexts.org/Courses/Clinton_College/BIO_403%3A_Microbiology_(Neely)/06%3A_The_Immune_System_Nonspecific_and_Specific_Defenses/6.01%3A_The_Lymphatic_and_Immune_System/6.1.02%3A_Anatomy_of_the_Lymphatic_and_Immune_SystemsThe immune system is the complex collection of cells and organs that destroys or neutralizes pathogens that would otherwise cause disease or death. The lymphatic system, for most people, is associated...The immune system is the complex collection of cells and organs that destroys or neutralizes pathogens that would otherwise cause disease or death. The lymphatic system, for most people, is associated with the immune system to such a degree that the two systems are virtually indistinguishable. The lymphatic system is the system of vessels, cells, and organs that carries excess fluids to the bloodstream and filters pathogens from the blood.
- https://bio.libretexts.org/Courses/Cosumnes_River_College/Introductory_Anatomy_and_Physiology_(Aptekar)/11%3A_Lymphatic_and_Immune_SystemsThis chapter outlines the layered responses of the human immune system, including both innate and adaptive immune responses. It also describes the structures and functions of the lymphatic system, wit...This chapter outlines the layered responses of the human immune system, including both innate and adaptive immune responses. It also describes the structures and functions of the lymphatic system, with a focus on its roles in host defense. In addition, the chapter examines three different types of immune system disorders.
- https://bio.libretexts.org/Courses/Skyline_College/BIOL_130%3A_Human_Biology/13%3A_Immune_System/13.01%3A_Case_Study-_Your_Defense_SystemAs you read this chapter, you will learn about the functions of the immune system, and the specific roles that its cells and organs - such as B and T cells and lymph nodes - play in defending the body...As you read this chapter, you will learn about the functions of the immune system, and the specific roles that its cells and organs - such as B and T cells and lymph nodes - play in defending the body. At the end of this chapter, you will learn what type of lymphoma Wei has and what some of his treatment options are, including treatments that make use of the biochemistry of the immune system to fight cancer with the immune system itself.
- https://bio.libretexts.org/Courses/Skyline_College/BIOL_130%3A_Human_Biology/13%3A_Immune_SystemThis chapter outlines the layered responses of the human immune system, including both innate and adaptive immune responses. It also describes the structures and functions of the lymphatic system, wit...This chapter outlines the layered responses of the human immune system, including both innate and adaptive immune responses. It also describes the structures and functions of the lymphatic system, with a focus on its roles in host defense. In addition, the chapter examines three different types of immune system disorders.
- https://bio.libretexts.org/Workbench/General_Ecology_Ecology/Chapter_16%3A_Antagonistic_Interactions/16.4%3A_PathogensAn infection is the invasion of an organism's body tissues by disease-causing agents, their multiplication, and the reaction of host tissues to the infectious agents and the toxins they produce. An ex...An infection is the invasion of an organism's body tissues by disease-causing agents, their multiplication, and the reaction of host tissues to the infectious agents and the toxins they produce. An example of the former is the anaerobic bacteria species, which colonizes the mammalian colon, and an example of the latter are the various species of staphylococcus that exist on human skin.
- https://bio.libretexts.org/Bookshelves/Human_Biology/Human_Biology_(Wakim_and_Grewal)/20%3A_Immune_System/20.2%3A_Introduction_to_the_Immune_SystemThe immune system is a host defense system. It comprises many biological structures - ranging from individual white blood cells to entire organs - as well as many complex biological processes. The fun...The immune system is a host defense system. It comprises many biological structures - ranging from individual white blood cells to entire organs - as well as many complex biological processes. The function of the immune system is to protect the host from pathogens and other causes of disease such as tumor cells. To function properly, the immune system must be able to detect a wide variety of pathogens.
- https://bio.libretexts.org/Bookshelves/Human_Biology/Human_Biology_(Wakim_and_Grewal)/20%3A_Immune_System/20.1%3A_Case_Study%3A_Your_Defense_SystemAs you read this chapter, you will learn about the functions of the immune system, and the specific roles that its cells and organs - such as B and T cells and lymph nodes - play in defending the body...As you read this chapter, you will learn about the functions of the immune system, and the specific roles that its cells and organs - such as B and T cells and lymph nodes - play in defending the body. At the end of this chapter, you will learn what type of lymphoma Wei has and what some of his treatment options are, including treatments that make use of the biochemistry of the immune system to fight cancer with the immune system itself.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Biology_(Kimball)/03%3A_The_Cellular_Basis_of_Life/3.24%3A_EndocytosisThis page explains the cellular process of endocytosis, which includes phagocytosis and pinocytosis for absorption of materials. It highlights receptor-mediated endocytosis for acquiring specific mole...This page explains the cellular process of endocytosis, which includes phagocytosis and pinocytosis for absorption of materials. It highlights receptor-mediated endocytosis for acquiring specific molecules like cholesterol. It also discusses familial hypercholesterolemia's link to atherosclerosis due to mutations in the apoB gene and the transportation of hydrophobic molecules in the bloodstream.
