| 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) |
| anatomic teeth | Artificial teeth that duplicate the anatomic forms of natural teeth. (05 Mar 2000) |
| anterior teeth | <dentistry> Your centrals, laterals, and cuspids. These are the teeth in the front of your mouth. (08 Jan 1998) |
| auditory teeth | Tooth-shaped formations or ridges occurring on the vestibular lip of the limbus lamina spiralis of the cochlear duct. Synonym: dentes acustici, Corti's auditory teeth, Huschke's auditory teeth. (05 Mar 2000) |
| geminated teeth | <dentistry> A developmental anomaly arising from the attempted division of one tooth bud, resulting in incomplete formation of two teeth and usually manifest as a bifid crown upon a single root. (05 Mar 2000) |
| ratio of decayed and filled teeth | An index of decayed and filled permanent teeth per person, per full complement of 28 teeth. (05 Mar 2000) |
| metal insert teeth | Prosthetic teeth containing metal cutting surfaces in the occlusal surfaces. (05 Mar 2000) |
| migrating teeth | Teeth which are changing position under natural forces. (05 Mar 2000) |
| plastic teeth | Artificial teeth constructed of synthetic resins. (05 Mar 2000) |
| Corti's auditory teeth | Tooth-shaped formations or ridges occurring on the vestibular lip of the limbus lamina spiralis of the cochlear duct. Synonym: dentes acustici, Corti's auditory teeth, Huschke's auditory teeth. (05 Mar 2000) |
| crossbite teeth | Posterior teeth designed to permit the modified cusps of the upper teeth to be positioned in the fossae of the lower teeth. (05 Mar 2000) |
| posterior teeth | <dentistry> Your bicuspids and molars. These are the teeth in the back of your mouth. (08 Jan 1998) |