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phagocytosis

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Total cards: 10•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (10)

#1
Front (Question)

what type of response is phagocytosis and why?

Back (Answer)

• non specific • same response for all pathogens

#2
Front (Question)

briefly describe phagocytosis?

Back (Answer)

phagocytes (macrophages and neutrophils) travel in the blood and squeeze out of capillaries to engulf and digest pathogens

#3
Front (Question)

stage 1 (cytokines)

Back (Answer)

damaged cells and pathogens release cytokines which attract phagocytes to the site of infection

#4
Front (Question)

what are cytokines?

Back (Answer)

cell signalling chemicals

#5
Front (Question)

stage 2 (opsonins)

Back (Answer)

opsonin proteins attach to pathogens to mark them which makes it easier for phagocytes to engulf them

#6
Front (Question)

stage 3 (receptors)

Back (Answer)

phagocyte receptors attach to chemicals on pathogen surface

#7
Front (Question)

stage 4 (engulf)

Back (Answer)

phagocyte engulfs pathogen into a vesicle, forming a phagosome

#8
Front (Question)

stage 5 (lysosome)

Back (Answer)

lysosomes containing lysozyme fuse with phagosome and hydrolyse the pathogen

#9
Front (Question)

stage 6 (absorb)

Back (Answer)

phagocyte cytoplasm absorbs any useful soluble molecules

#10
Front (Question)

stage 7 (APC)

Back (Answer)

phagocytes present pathogen antigens on the surface, becoming an antigen presenting cell