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Parts of Syringe and Needle

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lumen
hollow part of the needle
bevel
slanted end of the needle
barrel
part of syringe that hold medication
hub
where needle meets syringe
thumb plunger
pushes medication through syringe
flange
designed for index an middle finger to hold while thumb plunger is pushed
lumen
hollow part of the needle
gauge
size of the needle
bottom of rubber stopper
where medication is measured with barrel gauge
break the seal
pull plunger back and forth to loosen the seal
safety device
activated immediately after injection
sheath
covers the needle
shaft
the needle's outer portion