Change: The effacement of an anatomic soft tissue border by consolidation of the adjacent lung or accumulation of fluid in the contiguous pleural space. This is   View changes from previous version. (Word count: 5190)

Change: Determination of the amount of spread of a neoplasm, necessary to select appropriate therapy and to predict the future course of a disease.stapes(sta´p-ez) The innermost of the auditory ossicles that fits against the oval window of the inner ear; also called the stirrup. starchA plant polysaccharide.stasis   View changes from previous version. (Word count: 4768)

Change: A measure of the concentration of nuclei (number of the nuclei per given volume) contributing to the MR signal by release of energy following resonance. One of the major determinants of MR signal strength.spina bifida (spi'nah bifi-dah) Congenital malformation of vertebral arch   View changes from previous version. (Word count: 4526)

Change: (sar-ko'mah) Malignant tumor derived from tissue developed from mesoderm (connective and lymphoid tissue, bone, cartilage, muscle, and part of urogenital organs) and characterised by a fleshy consistency.saturation current A filament current that has risen to its maximum value because all of the available electrons have been used.scala tympani   View changes from previous version. (Word count: 3958)

Change: One of the fastest and highest-capacity computers, containing hundreds to thousands of microprocessors.superconductivity The property of some materials to exhibit no resistance below a critical temperature.superficial(soo´´per-fish´al) Toward or near the surface. superficial fascia(fash´e-a) A binding layer of connective tissue   View changes from previous version. (Word count: 3736)

Change: A unit that incorporates the natural extension of the single-detector to a multiple-detector assembly intercepting a fan-shaped rather than a pencil-shaped X-ray beam.section thickness The thickness of tissue that will not be blurred by tomography.selectivityThe ratio of primary radiation to scattered radiation transmitted through grid.self-induction The   View changes from previous version. (Word count: 2909)

Change: (sua-kad´ik)(sa-kad´ik) Very rapid eye movements that occur constantly and that change the focus on the retina from one point to another. saccule(sak´yool) A sac like cavity in the membranous labyrinth inside the vestibule of the inner ear that contains a vestibular organ for equilibrium. sacral(sa´kral) Pertaining   View changes from previous version. (Word count: 2037)

Change: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y |   View changes from previous version. (Word count: 1992)

Change: (sim´´pua-thet´ik) Pertaining to the division of the autonomic nervous system concerned with activities that, in general, arouse the body for physical activity, it is active   View changes from previous version. (Word count: 1966)