Immune System HW 3

These flashcards cover key concepts from Chapter 21 on the immune system, including definitions of terms related to immune responses and conditions.

What does leukocytosis refer to?

An increase in the number of white blood cells that are in circulation.

What does eczema involve in terms of skin condition?

Weeping skin lesions that may be due to increased leakiness of the skin.

What process describes neutrophils squeezing through capillary walls into tissues?

Diapedesis.

What are the fever-inducing molecules secreted by leukocytes and macrophages called?

Pyrogens.

Which lymphocytes develop immunocompetence in the thymus?

T lymphocytes.

What type of immunity is provided by antibodies?

Humoral immunity.

What characteristic distinguishes a secondary humoral response?

It occurs much more rapidly than a primary response.

What property prevents lymphocytes from attacking the body's own cells?

Self-tolerance.