| BSS | Bachelor of Sanitary Science; balanced salt solution; Bernard-Soulier syndrome; black silk suture; b... |
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| CGS | cardiogenic shock; catgut suture |
| DOLLS | [Lee] double-loop locking suture |
| DPS | delayed primary suture; descending perineum syndrome; dimethylpolysiloxane; dysesthetic pain syndrom... |
| FMN | first malignant neoplasm; flavin mononucleotide; frontomaxillonasal [suture] |
| spiral computed tomography | <radiology> Computed tomography in which the X-ray tube continuously revolves around the patient, who is simultaneously moved longitudinally; computer interpolation allows reconstruction of standard transverse scans or images in any preferred plane. Synonym: helical computed tomography, helical CT, spiral CT. (20 Jun 2000) |
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| spiral crest | The thickened periosteal lining of the bony cochlea forming the outer wall of the cochlear duct to which the basal lamina attaches. Synonym: crista spiralis, ligamentum spirale cochleae, spiral crest. (05 Mar 2000) |
| spiral CT | <radiology> Computed tomography in which the X-ray tube continuously revolves around the patient, who is simultaneously moved longitudinally; computer interpolation allows reconstruction of standard transverse scans or images in any preferred plane. Synonym: helical computed tomography, helical CT, spiral CT. (20 Jun 2000) |
| spiral fold of cystic duct | A series of crescentic folds of mucous membrane in the upper part of the cystic duct, arranged in a somewhat spiral manner. Synonym: plica spiralis ductus cystici, Amussat's valve, Heister's valve, spiral valve of cystic duct, valvula spiralis. (05 Mar 2000) |
| spiral foraminous tract | Openings in the cochlear area of the bottom of the internal acoustic meatus through which the fibres of the cochlear nerve leave the bony labyrinth to enter the cranial cavity. Synonym: tractus spiralis foraminosus. (05 Mar 2000) |
| spiral fracture | A fracture the line of which is helical in the bone. (05 Mar 2000) |
| spiral ganglion | The sensory ganglion of the cochlear nerve. The cells of the spiral ganglion send fibres peripherally to the cochlear hair cells and centrally to the cochlear nuclei of the brainstem. (12 Dec 1998) |
| spiral ganglion of cochlea | An elongated ganglion of bipolar sensory nerve cell bodies on the cochlear part of the vestibulocochlear nerve in the spiral canal of the modiolus; each ganglion cell gives rise to a peripheral process that passes between the layers of the bony spiral lamina to the organ of Corti, and a central axon that enters the hindbrain as a component of the inferior (cochlear) root of the eighth nerve. Synonym: ganglion spirale cochleae, auditory ganglion, cochlear ganglion, Corti's ganglion, spiral cochlear ganglion. (05 Mar 2000) |
| spiral groove | <anatomy, nerve> The shallow groove that passes around the shaft of the humerus; it lodges the radial nerve and deep brachial artery. Synonym: sulcus nervi radialis, musculospiral groove, spiral groove. (05 Mar 2000) |
| spiral hyphae | Hyphae that end in a flat or helical coil, as in laboratory colonies of Trichophyton mentagrophytes. (05 Mar 2000) |
| spiral joint | A variety of hinge joint in which the elevation and depression, respectively, on the opposing articular surfaces form part of a spiral, flexion being then accompanied by a certain amount of lateral deviation. Synonym: screw joint, spiral joint. (05 Mar 2000) |
| spiral lamina | The bony plate which extends outwards from the modiolus. It is part of the structure which divides trhe cochlea into sections. (12 Dec 1998) |
| spiral ligament of cochlea | The thickened periosteal lining of the bony cochlea forming the outer wall of the cochlear duct to which the basal lamina attaches. Synonym: crista spiralis, ligamentum spirale cochleae, spiral crest. (05 Mar 2000) |
| spiral line | A rough line that separates the neck and shaft of the femur anteriorly; it passes downward and medially from the greater trochanter to the lesser trochanter and continues into the medial lip of the linea aspera. Synonym: linea intertrochanterica, linea spiralis, spiral line. (05 Mar 2000) |
| spiral membrane | The wall that separates the cochlear duct from the scala tympani; it consists of the osseous spiral lamina and the basilar membrane. Synonym: paries tympanicus ductus cochlearis, membrana spiralis, spiral membrane. (05 Mar 2000) |