Immunological Systems Flashcards Preview

Biological Systems Overview 1st Year Midwifery > Immunological Systems > Flashcards

Flashcards in Immunological Systems Deck (8)
Loading flashcards...
1
Q

List first line defences (non specific) immunity.

A

1) skin + mucus membranes
2) hair/cilia
3) sebum
4) lacrimal apparatus (tears)
5) saliva
6) micturition
7) vaginal secretions
8) defaecation
9) vomiting
10) gastric juices

2
Q

Name some second kind defences

A

Antimicrobial proteins such as interferons and transferrins

Natural killer cells and phagocytes

Inflamation - including vasodilation and increased permeability of blood vessels.

Redness, pain, heat, oedema, loss of function.

3
Q

What are interferons?

A

These are chemicals that INTERFERE with the replication of viruses

4
Q

What is an antigen?

A

It is any foreign molecule that interact with cells os immune system and could illicit an immune response.

5
Q

What is an antibody?

A

A antibodies are globular proteins or immunoglobulins that react specifically with antigen that stimulated their production.

6
Q

What cells synthesise antibodies?

A

Plasma cells of B cells.

7
Q

What is the region of the antigen that interacts with the antibody called?

(A pathogen has many of these regions)

A

Epitope

8
Q

What is the name of the region on the antibody that the antigen binds onto?

A

Paratope