| lymph node of ligamentum arteriosum | A lymph node of the anterior mediastinal group located adjacent to the ligamentum arteriosum. Synonym: nodus ligamenti arteriosi, lymph node of ligamentum arteriosum. (05 Mar 2000) |
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| lymph node permeability factor | A substance, released by lymphocytes when stimulated or damaged, that increases capillary permeability and the accumulation of mononuclear cells. (05 Mar 2000) |
| Bernard's puncture | A puncture at a point in the floor of the fourth ventricle of the brain which causes glycosuria. Synonym: Bernard's puncture. (05 Mar 2000) |
| cisternal puncture | Passage of a hollow needle through the posterior atlantooccipital membrane into the cisterna cerebellomedullaris. (05 Mar 2000) |
| Salah's sternal puncture needle | A wide-bore needle for obtaining samples of red marrow from the sternum. (05 Mar 2000) |
| puncture | 1. The act of piercing or penetrating with a pointed object or instrument. 2. <surgery> A wound so made. Origin: L. Punctura (18 Nov 1997) |
| puncture diabetes | Experimental diabetes produced in animals by puncture of the floor of the fourth ventricle of the brain. Synonym: piqure diabetes. (05 Mar 2000) |
| puncture wound | An injury from piercing or penetrating with a pointed object. Any puncture wound through tennis shoes (as with a nail) has a high risk of infection because the foam in tennis shoes can harbor a bacteria (pseudomonas). (12 Dec 1998) |
| skin-puncture test | Test for Behcet's syndrome; after pricking the skin with a sterile needle, pustulation follows within 24 hours, owing to the dermal sensitivity in this disease. (05 Mar 2000) |
| spinal puncture | Tapping of the subarachnoid space in the lumbar region, usually between the third and fourth lumbar vertebrae. (12 Dec 1998) |
| sternal puncture | Removal of bone marrow from the manubrium by needle. (05 Mar 2000) |
| diabetic puncture | A puncture at a point in the floor of the fourth ventricle of the brain which causes glycosuria. Synonym: Bernard's puncture. (05 Mar 2000) |
| Quincke's puncture | A diagnostic procedure where a sterile needle is introduced into the lower spine (L2) to collect cerebrospinal fluid for diagnostic purposes. Chemical analysis, cellular analysis and CSF pressure can all be measured with this procedure. This test can aid in the diagnosis of meningitis, subarachnoid haemorrhage and multiple sclerosis. (27 Sep 1997) |
| ear puncture | Puncture of the ear drum may be due to an accident for example when something is stuck into the ear. Or it may be due to fluid pressure in the middle ear. Today the ear drum is occasionally punctured on purpose with surgery. A surgically placed tiny incision (a myringotomy) is made in the eardrum. Any fluid, usually thickened secretions, is removed and an ear tube may be inserted. (12 Dec 1998) |
| tracheoesophageal puncture | A small opening made by a surgeon between the oesophagus and the trachea. A valve keeps food out of the trachea but lets air into the oesophagus for oesophageal speech. (12 Dec 1998) |