Immune System - ANSC 222

Migration toward the source of a chemical signal:

Chemotaxis

Type of T-cell that limits immune response

Suppressor

Another word for white blood cell:

Leukocyte

Type of T-cells that secreted lymphokines to regulate the immune response:

Helper

All immune cells originate in the ____ ______

Bone Marrow

Vaccines provide long-term protection because some B cells differentiate into ______

Memory

When a monocyte enters a tissue it turns into a __________

Macrophage

Activated cells that make A LOT of one antibody:

Plasma B cells

Crawling-like movement white blood cells sue to move around:

Amoeboid motion

This type of immune cell is made up of basophils, neutrophils, and eosinophils:

Granulocyte

The process where immune cells destroy bacteria by ingesting and degrading them:

Phagocytosis

Secreted proteins made by B-cells to help fight infections:

Antibodies

Type of immune cells composed of B-cells and T-cells:

Lymphocytes

Immune cells that play a role in allergic reactions

Basophil

The idea that if most people are vaccinated a disease cannot spread in the community:

Herd Immunity

Process to make sure T-cells do NOT react to ‘self’:

Negative Selection

Process where immune cells ‘squeeze’ out of blood vessels and into tissues:

Extravasation

Reaction that walls off an area, increases vascular permeability, and attracts more immune cells:

Inflammation

A cascade of proteins that, when activated, can puncture holes in bacteria:

Complement

Where T-cells go to mature:

Thymus

Lymph tissue that monitors inside of intestines for antigens:

Peyer’s Patches

Type of vaccine made of dead form of the pathogen:

Inactivated

Vaccines activate this branch of the immune system:

Adaptive

Screens blood for pathogens, has a high concentration of white blood cells:

Spleen

This branch of the immune system does not change after exposure to a disease:

Innate

Specific portion of an antigen recognized by an antibody of T-cell receptor:

Epitope