6- Detecting And Responding To Invaders ✅ Flashcards Preview

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1

Adaptive immunity

A type of immunity that 'learns' about what is being dealt with and how to over come it

2

Antibiotics

A substance that kills or inhibits the growth of other microorganisms

3

Antibodies

A type of plasma protein (produced by B lymphocytes) in response to particular antigens. They are the basis or humoral immunity

4

Antigen

A foreign substance that stimulates lymphocytes to being the specific immune response, it can be binded to by a specific antibody

5

Antigen presenting cell (APC)

Lymphocytes and macrophages that take in a pathogen break down its components and present the antibodies on the MHC marker II

6

Antiseptic

A substance that kills of inhibits or inhibits the growth of microorganisms on external surfaces of living things

7

Autoimmune disease

An inherited defect in the immune system by which certain body cells are not recognised as self and stimulate an immune response

8

Basophils

A granulocyte or granular leukocyte produced by stem the bone marrow of animal and secretes histamine.

9

B lymphocyte

Cells that are produced from stem cells, many in the bone marrow, and mature in the bone marrow. They are involved in the humoral immune response

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Chemotherapy

The use of chemicals to treat disease by destroying cells, particularly cancer cells

11

Colonial selection theory

The process where an antigen 'selects' which of the millions of different B-Lymphocytes clones will become active (that is to secrete antibodies)

12

Complement proteins

The 20 different plasma proteins that are involved in immune defence mechanisms, such as by tagging microorganisms for phagocytosis, lysis or encasing in mucous thus immobilising

13

Cytotoxic T lymphocyte

A T Lymphocyte that contains lethal chemicals that destroy foreign, infected and altered cells

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Cytotoxins

Toxic substances produced by cells

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Eosinaphil

A granulated leucocyte that secretes powerful enzyme that break down cell walls of pathogens, they are toxic to parasites in which they lyse the parasites tissues

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Epitope

A small part of a larger molecule that binds to a receptor site

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Erythrocyte

Red blood cell

18

Fever

A mechanism in which phagocytes secrete a messenger that makes that hypothalamus change the body temp to eliminate a pathogen

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Histamines

Chemicals involved in a local inflammatory response released by basophils and mast cells

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Hybridoma

A fusion of tutor cells and B cells that combine properties of both

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Immunoglobulins

A group of protein antibodies

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Immunosuppressant drugs

Drugs that suppress or inhibit the activities of plasma cells and phagocytic cells

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Inflammation

First response by the immune system to the envision of pathogens, swelling, redness and pain occur as a result of an increase in blood supply and phagocytes

24

Interferon

Natural proteins that are produced by the cells of the immune system of most animals in response to challenges by foreign agents, such as bacteria, viruses, parasites and tumour cells, interferons belong to the large class of glycoproteins know as cytokines

25

Interleukins

A group of small protein molecules(cytokines), produced by white blood cells, that assist communication between leucocytes

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Leucocytes

A general term for describing white blood cells

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Lymph

A colourless fluid that originates from the intercellular fluid (tissue fluid)

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Lymphatic system

Part of the immune system a system of organs (thymus, bone marrow, spleen, lymph nodes, vessels) and lymph fluid that is involved in transporting lymphocytes and in removing foreign matters.

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Lysis

Bursting of a cell

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Macrophage

A large cell that is part of the innate immune system and found in the body tissues; macrophages can migrate for the blood vessels to infected tissues