Hand-made digital notes and diagrams on the entirety of Immunity
Topic written spec-by-spec point to ensure all content is covered
Compatible with all exam boards but predominantly CIE
Describe the action of phagocytes (macrophages and neutrophils)
to
response
/ broad Muff of
s
✗ non-specific
pathogen↳ sinan ser of
@✗ ten of receptors
spent'
many types of receptors
✗ ↳
respond
to
Phagocytes are white blood cells that are
produced continuously in the bone marrow
stored in bone marrow , then distributed to the rest
of
the
body
J T
neutrophil
y
remove dead cells and invasive
muiooryaninus
macrophage
lymphocyte
carry
out non
specific immune response
-
ao un]
-
types of phagocyte macrophages
there two main and
are
neutrophils
:
[60-652]
Neutrophils
large numbers from
→ released in their stoves
→ short-lived cells
→ lobed nucleus
-
, ⑧
% Pathogen
Neutrophil mode
of action :
Chemotaxis
Be
Neutrophil
-
1 .
Pathogen secretes chemicals to stimulate
receptors
2 .
Phagocyte moves towards chemical snniulus
)%
: chemotaxis
Receptor for annisocy Recognition
& Attainment
3 .
Phagocyte engulfs pathogen by endocytosis of pathogen
mama
by antibody
by extending a
pseudopod
together by
this is made easier when
antibodies in a
pathogens
process
caved
are stuck
agglutination
]§ Endocytosis
]
4 .
Pathogen stoned in a vesicle Lysosomes
digestive
with
engines
S Venite
fuses lysosome
. with a which
contains
digestive enzymes that help break down the
putting
lysosome
with
fuses
venire
6.
via
Pathogen destroyed by engines and
exits an
exocytosis
Macrophages ÷÷÷) Bacteria
digested
→
layer than neutrophils
Ivied
long
→ -
cells
&
→ don't remain in the blood , move into
organs lymph nodes
travel in blood
→ as
monocytes
Mauophuge mode
of action
destroy pathogens completely
→ donor
-1 cut
pathogens up
to
display antigens of pathogen on their surface
the
→
antigen-presenting an can now be
recognised by lymphocytes
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller danwilliams3066. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $3.91. You're not tied to anything after your purchase.
