Chapter 33- allergy and infectious disease

Lymphocyte

A type of white blood cell that has a large, round nucleus surrounded by a thin layer of agranular cytoplasm

Cytoplasm

Contains the organelles of the cell

Pathogens

Disease-causing organism

Microorganisms

Any living organisms of microscope size

Debris

The remains of anything broken down or destroyed

Lymph

A clear, yellowish fluid containing white blood cells in a liquid similar to plasma.

Macrophage

Large white blood cells that live in the tissue

Peter patches

Small masses of lymphatic tissue found in the ileum of the small intestine

Monocyte

Foreign particles, Microorganisms, and cell debris in the blood.

Homeostasis

A steady state that is created by all body systems working together to provide consistent, unvarying internal environment

Enzymes

Special protein that speed up a chemical reaction in the body

Antigen

A substance that stimulates the production of an antibody when introduced into the body

Replication

The production of exact copies of a complex molecule, such as DNA

Mircobiome

The total collection of microorganisms and their genetic material

Antibody

Protein substances produced in the blood or tissue in response to a specific antigen

Stem cells

Undifferentiated cells that can become specialized cells in the body

Viability

The ability to live

Vasoconstriction

A contraction of muscles that causes narrowing of the inside tube

Reflexes

Movements or process caused by an automatic response

Differentiate

To distinguish one thing from another

Intact

Whole or complete

Permeable

A substance or structure that can be passed through, especially by liquid or gasses

Inflammation

Swelling, redness, pain, heat

Pandemic

Disease that is passed through entire country, continent, or the whole world