Lecture 3 Flashcards
Where do they bind
Cell
Cartilage
Bone
Skin
Name the 5 immune systems
IgA (MADGE)
What makes viruses difficult to cross into the body
Mucus
What is the worm called that come from infected snails
Helminth
What do helminth worms do in the skin
Swim in the water an burrow into the skin
What are rickettsia transferred by
Ticks
What is the normal skin pH
5.5
What benefit by having a skin pH of 5.5 do to pathogens
Can damage pathogen membrane
What is the fungus that lives on the nails and hair
Dermatocytes
What is the aim of insecticidals
Set up a barrier to prevent contact with the vector
What enzyme do tears have
Lysozyme
What does lysozyme do
Break the peptidoglycan of invading bacteria
Name the legionella organism
Leionella pneumophilia
Where are the adhesions on the pathogen
On their surface
Where do some virus bind to in the upper respiratory
Cilia
What does influenza do to the virus
Digests the mucus so it is easier to get out
What does influenza bind to
Sialic acid
What does influenza use to bind to sialic acid
Haemoglutin
What does measles interact with
CD46
How do some viruses paralyse the cilia
They produce a toxin
Why do some viruses paralyse the cilia
So they cant get rid of it. It don’t want to be removed
What roam free on the surfaces
Macrophages
What do macrophages do
Identify foreign pathogens
Name a stationary cell
Kupffer cells
