| immediately dangerous to life concentration | <radiobiology> This is a regulatory value defined as the maximum exposure concentration in the workplace from which one could escape within 30 minutes without suffering symptoms which would interfere with escaping and without suffering any irreversible health effects. (04 Nov 1997) |
|---|---|
| osmolar concentration | The concentration of osmotically active particles in solution expressed in terms of osmoles of solute per liter of solution. Osmolality is expressed in terms of osmoles of solute per kilogram of solvent. (12 Dec 1998) |
| urinary concentration test | A test of renal tubular function whereby the patient is dehydrated for a measured period of time and the specific gravity of the urine is subsequently determined. (05 Mar 2000) |
| Fishberg concentration test | A test of renal water conservation; after overnight fluid deprivation, morning urine samples are collected and specific gravity is measured. (05 Mar 2000) |
| Belsey Mark IV procedure | A transthoracic hiatal hernia repair that restores the lower oesophageal sphincter zone to the high pressure region below the diaphragm. (05 Mar 2000) |
| Belsey Mark V procedure | A modified Belsey Mark IV procedure often employing pledgetted sutures performed for patients with hiatal hernia plus disordered oesophageal motility in whom an oesophageal myotomy is also needed. (05 Mar 2000) |
| Girdlestone procedure | Complete resection or excision of the head and neck of the femur. (05 Mar 2000) |
| Vineberg procedure | Implantation of the internal mammary artery into the myocardium to improve blood flow to the heart. (05 Mar 2000) |
| V-Y procedure | A flap in which the incision is made in a V shape and sutured in a Y shape to gain additional tissue. Synonym: V-Y plasty, V-Y procedure. (05 Mar 2000) |
| Gomori procedure | <procedure> Cytochemical staining procedure used to localise acid phosphatases. Depends upon the production of phosphate ions from organic phospho esters such as _ glycerophosphate. The phosphate in the presence of lead ions causes the formation of a precipitate of lead salt that is converted to the brown sulphide of lead by the action of yellow ammonium sulphide. (18 Nov 1997) |
| Chamberlain procedure | A limited left anterior thoracostomy for biopsy of the mediastinal nodes out of reach by cervical mediastinoscopy. Synonym: anterior mediastinotomy. (05 Mar 2000) |
| Rittenhouse-Manogian procedure | Enlarges the aortic annulus by incising the left coronary-noncoronary commissure down unto the anterior leaflet of the mitral valve. (05 Mar 2000) |
| Clagett procedure | For empyema, a two-stage surgical procedure for expediting treatment of chronic empyema. (05 Mar 2000) |
| Collis-Belsey procedure | A surgical method of treating oesophageal structure by creation of a neoesophagus and a fundoplication antireflux procedure. (05 Mar 2000) |
| commando procedure | An operation for malignant tumours of the floor of the oral cavity, involving resection of portions of the mandible in continuity with the oral lesion and radical neck dissection. Synonym: commando operation. (05 Mar 2000) |