| biopsy needle | <equipment> A skinny needle that is passed percutaneously into an organ being investigated (liver and kidney are common). Tissue is obtained from the core of the needle and then analysed under the microscope. (21 Mar 1998) |
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| biopsy, pleural needle | <investigation, procedure, surgery> A pleural needle biopsy involves the use of a needle (inserted from the skin) to obtain a small sample of pleural tissue for microscopic analysis. The biopsy is done using a local anaesthetic. Abnormal results may reveal cancer (metastatic or primary), tuberculosis, a fungal disease, viral disease, a parasitic disease or collagen vascular disease. Risks include pneumothorax and internal bleeding. (21 Mar 1998) |
| Veress needle | A needle equipped with a spring loaded obturator that is used for insufflation of the abdomen in laparoscopic surgery. (05 Mar 2000) |
| Gillmore needle | A device for obtaining the setting time of dental cement. (05 Mar 2000) |
| cataract needle | A very narrow, needle-pointed knife used in discission of a cataract. Synonym: cataract needle. (05 Mar 2000) |
| Vicat needle | <equipment> A device for obtaining the setting time of plaster and other materials. (05 Mar 2000) |
| Millner needle | A fine, non-cutting needle with eye for thread frequently used for suture of skin. (05 Mar 2000) |
| pine-needle oil | A volatile oil distilled with steam from the fresh leaf of Pinus mugo; has been used by inhalation and spray in catarrhal affections of the air passages, and locally in rheumatism; also used as a flavoring and in perfumery. (05 Mar 2000) |
| pleural needle biopsy | <investigation, procedure, surgery> A pleural needle biopsy involves the use of a needle (inserted from the skin) to obtain a small sample of pleural tissue for microscopic analysis. The biopsy is done using a local anaesthetic. Abnormal results may reveal cancer (metastatic or primary), tuberculosis, a fungal disease, viral disease, a parasitic disease or collagen vascular disease. Risks include pneumothorax and internal bleeding. (21 Mar 1998) |
| couching needle | An obsolete instrument used in couching. (05 Mar 2000) |
| Hagedorn needle | A curved surgical needle flattened on the sides. (05 Mar 2000) |
| cutting needle | A surgical needle with angulated surface designed to puncture tough tissue. (05 Mar 2000) |
| Salah's sternal puncture needle | A wide-bore needle for obtaining samples of red marrow from the sternum. (05 Mar 2000) |
| sea needle | <zoology> See Garfish . Source: Websters Dictionary (01 Mar 1998) |
| hypodermic needle | A hollow needle, similar to but smaller than an aspirating needle, attached to a syringe; used primarily for injection. (05 Mar 2000) |