needle hub
Medical term Routine Blood Collections
The base of a needle that attaches to the holder or syringe; a flash of blood appears there when the vein is entered.
Related terms
- syringeBarrel and plunger used with a needle or winged set, often for small or fragile veins; a 1 to 5 mL syringe…
- veinA vessel that carries blood back toward the heart under low pressure. Superficial arm veins are the usual…
- lumenThe hollow channel inside a needle or vessel. Needle gauge describes the size of the needle's lumen.
- median cubital veinVein crossing the antecubital fossa between the cephalic and basilic veins; first choice for venipuncture…
- microcollection containerSmall tube for capillary blood from a skin puncture, plain or with an additive; most analyzers need a…
- multisample needleDouble-ended needle for the evacuated tube system: one end enters the vein, the other pierces each tube…
- needle safety deviceBuilt-in feature, such as a shield or a retracting needle, engaged right after the needle leaves the vein to…
- nerve injuryDamage to a nerve by the needle: electric-shock-like or stabbing pain, tingling or numbness. Remove the…
- neutrophilGranular white cell that is most plentiful in blood; it is first to reach infected tissue, where it swallows…
- order of drawCLSI venous tube sequence that stops additive carryover: blood cultures, sodium citrate, serum tubes…
Study Routine Blood Collections