| diamond-back | <zoology> The salt-marsh terrapin of the Atlantic coast (Malacoclemmys palustris). Source: Websters Dictionary (01 Mar 1998) |
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| double back cross | A mating that is a back cross at each of two loci of interest; of special value and importance in linkage analysis. (05 Mar 2000) |
| topping and back pressure turbine | Turbines which operate at exhaust pressure considerably higher than atmospheric (noncondensing turbines). These turbines are often multistage types with relatively high efficiency. (05 Dec 1998) |
| true muscles of back | Muscles of the back innervated by the dorsal primary rami of spinal nerves; includes erector spinae, transversospinalis, interspinal, and intertransverse muscles; excludes the superficial back muscles which are appendicular and are innervated by ventral rami, and the trapezius, innervated by the spinal accessory nerve. Synonym: true muscles of back. (05 Mar 2000) |
| fold-back elements | A type of transposable element that possesses long inverted repeats, such that when denatured, loops are formed. (05 Mar 2000) |
| low back pain | A continuous pain in the lower back or lumbar region. (12 Dec 1998) |
| 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) |