Author: Glossary
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Negative crossmatch
In organ transplantation, a lack of reaction between recipient and donor cells.
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Needleholder
A forceps used to drive a needle with an attached suture into tissue.
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Scalp vein needle
A specially designed needle for the administration of intravenous fluids, with a flat flange on each side to facilitate anchoring it after its placement in a small vein.
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Pencil-point needle
A needle with a tapered tip that does not damage tissue as much as a beveled needle. Pencil-point needles are commonly used in lumbar puncture to reduce leakage of cerebrospinal fluid from the subarachnoid space.
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Obturator needle
A device that fits into the lumen of a needle to prevent blockage during the puncture procedure.
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Discission needle
A special cataract needle for making multiple cuts into the lens capsule.
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Cataract needle
A needle used in removing a cataract.
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Aspirating needle
A long, hollow needle, usually fitted to a syringe, for withdrawing fluids from a cavity.
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Aneurysm needle
A blunt, curved needle with an eye in the tip used for passing a suture around a vessel.
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Superficial necrosis
Necrosis affecting only the outer layers of bone or any tissue.