4.1 The Body at War

Vocabulary flashcards covering the immune response, types of pathogens, the levels of defense, and key historical figures in cell theory and immunology.

Neutrophil

A type of 'soldier cell' white blood cell that the body uses to defend itself.

Lymphocyte

A white blood cell that uses projections of its cytoplasm to engulf and digest foreign cells.

First Line of Defence (Physical)

Physical barriers against disease, including sneezing, skin, and nasal hairs.

First Line of Defence (Chemical)

Chemical barriers against disease, including tears, saliva, and stomach acid.

Second Line of Defence

The stage of the immune response involving fever and inflammation.

Third Line of Defence

The stage of the immune response involving antibodies and lymphocytes.

Chickenpox

An infectious disease matched with the virus pathogen type.

Tetanus

An infectious disease matched with the bacteria pathogen type.

Tinea

An infectious disease matched with the fungus pathogen type.

Malaria

An infectious disease matched with the protozoan pathogen type.

Theodor Schwann

The scientist accredited with recognizing that animals were made up of cells.

Edward Jenner

The scientist who, in $1796$, used cowpox virus to develop a smallpox vaccination.

Paul Ehrlich

The scientist who proposed that antibodies were involved in immunity.

Rudolf Virchow

The scientist who, in $1858$, argued that all cells arose from pre-existing cells.

Peter Doherty

A scientist involved in identifying the basis of self and non-self identification necessary for immunity.

Lymphatic System

The system composed of lymph, lymphocytes, and lymph vessels.

Phagocytes

Immune cells that are often compared with lymphocytes for their role in the body's defense response.