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The study of the molecular and cellular components that form the immune system, including their function and interaction, is the central science of immunology. The immune system is divided into a more primitive innate immune system and an acquired or adaptive immune system of vertebrates, each of which contain both humoral and cellular immune ...
The mucosal immune system consists of a cellular component, humoral immunity, and defense mechanisms that prevent the invasion of microorganisms and harmful foreign substances into the body. These defense mechanisms can be divided into physical barriers ( epithelial lining , mucus , cilia function , intestinal peristalsis , etc.) and chemical ...
Humoral immune deficiencies are conditions which cause impairment of humoral immunity, which can lead to immunodeficiency. It can be mediated by insufficient number or function of B cells , the plasma cells they differentiate into, or the antibody secreted by the plasma cells. [ 7 ]
Immunodeficiency, also known as immunocompromise, is a state in which the immune system's ability to fight infectious diseases and cancer is compromised or entirely absent. Most cases are acquired ("secondary") due to extrinsic factors that affect the patient's immune system.
The following outline is provided as an overview of and topical guide to immunology: . Immunology – study of all aspects of the immune system in all organisms. [1] It deals with the physiological functioning of the immune system in states of both health and disease; malfunctions of the immune system in immunological disorders (autoimmune diseases, hypersensitivities, immune deficiency ...
This discovery turned out to be the major defence mechanism in innate immunity, [18] as well as the foundation of the concept of cell-mediated immunity, while Ehrlich established the concept of humoral immunity to complete the principles of immune system.
English: Collective defences (pale grey, dotted line) of a group comprises all individual defences (elipse) of the group members and their interaction (arrows). Individual defences are composed of anti-parasite behaviours (B, dark grey) and physiological immune systems that can contain either only the innate (I) immune component (e.g. invertebrates) or also the acquired (A) immune component (e ...
Humoral factors are factors that are transported by the circulatory system, that is, in blood, and include: Humoral immunity factors in the immune system Hormones in the endocrine system