What is the first barrier of protection?
Skin
What is the adaptive immune system?
The body's built-in specific immune system.
What is lymph?
The fluid in the lymph vessels.
What happens when the body triggers the humoral immune response?
What is a B cell?
A lymphocyte that matures in the bone marrow.
What's a type of defense found in your esophagus?
Mucus or cilia
What is an antigen?
Substance that stimulates the adaptive immune system.
What is the purpose of the lymphatic system?
To take extra fluid and redisperse it through the body and check it for diseases.
Active humoral immunity can be gained through what medical practice?
Vaccination
What is a plasma cell?
Antibody-producing MACHINE
What use does Keratin provide?
Protection against alkalis, acids, and bacterial enzymes.
What is humoral immunity?
The body's specific, systemic, and adaptive response to a disease.
What is the purpose of lymphoid tissue?
To house lymphocytes and provide a site where they can multiply, as well as furnish an ideal surveillance vantage point for lymphocytes and macrophages.
What is immunological memory?
The body's ability to quickly dispatch a foreign but old threat.
What are the three types of T cells?
Helper, cytotoxic, and regulatory
What is a Phagocyte?
A neutrophil that kills foreign cells.
What are the 5 stages of development for a Lymphocyte?
The origin, maturation and immunocompetence and self-tolerance, Seeding secondary lymphoid organs and circulation, antigen encounter and activation, and proliferation and differentiation.
What are Peyer's Patches?
They are aggregated lymphoid nodules that are in large clusters in the intestines.
Name one disease that makes your immune system not work
AIDS
What is a memory cell?
A descendant of an activated B cell which is generated during an immune response?
What are the 4 uses of inflammation?
Prevent spread of disease, disposes of cell debris and pathogens, alerts adaptive immune system, and sets the stage for repair.
What is self-tolerance?
The ability for a lymphocyte to not attack one of its own antigens.
Why do you need your appendix?
You don't
What is immunodeficiency?
An acquired condition that impairs function of immune cells or certain molecules such as antibodies.
What is an antigen-presenting cell?
A cell that engulfs the cells and digests them, then presents their corpse for all to see with no remorse.