A - Glossary of Terms - History Page

	Date/Time	Made By	Type	Scope
	Feb 22 2010, 5:47 AM EST	AndyC	edit	108 words added 1 word deleted
Change: A numerical expression of the relative average contrast properties of a film and processing combination for a specified exposure, represented by the slope of a straight line connecting specific density points on a characteristic curve.axialPertaining to axis of the body, part View changes from previous version. (Word count: 5367)
	Feb 20 2010, 4:04 AM EST	AndyC	edit	49 words added 2 words deleted
Change: Travel distance of an X-ray tube suring a tomographic exposure.ampulla(am-pool´a) a local dilatation of a duct or tube. ampulla of vater(am-pool'a of va´ter) also known as the hepatopancreatic ampulla, is formed by the union View changes from previous version. (Word count: 5258)
	Feb 20 2010, 3:06 AM EST	AndyC	edit	283 words added 9 words deleted
Change: Fluorescennt material (commonly calcium tungstate) in a binding medium used in intensifying screens. There is a direct relationship between active layer thickness and the speed of the screen, and an inverse relation between active layer thickness and resolution of the radiographic image.active memoryData can be View changes from previous version. (Word count: 5210)
	Feb 15 2010, 6:11 AM EST	AndyC	edit	81 words added 3 words deleted
Change: The unsharpness in the image due to variations in absorption throughout a three-dimensional structure, caused by the particular shape of that structure. For example, a spherical object projects “unsharp” edges onto film. acanthion(a-kan'the-on) point at centre of base of anterior nasal spine.acanthomeatal line(a-kan''tho-me-a'tal) imaginary line View changes from previous version. (Word count: 4937)
	Feb 12 2010, 7:15 AM EST	AndyC	edit	71 words added 16 words deleted
Change: Failure of the lower esophageal sphincter to relax because of absence or destruction of cells in the myenteric nerve plexus, which results in difficulty swallowingachilles tendon(ua-kil´=ez) see tendo calcaneous. acoustic(a-koos'tik) pertaining to sound or organs of hearingacromegaly(ak´´ro-meg´ua-le) a condition caused by View changes from previous version. (Word count: 4857)
	Jan 18 2010, 8:22 AM EST	AndyC	edit
Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 4800)
	Jan 3 2010, 5:36 AM EST	AndyC	edit
Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 4800)
	Jan 1 2010, 12:17 AM EST	AndyC	edit	377 words added 30 words deleted
Change: The principle stating that the voltage received and the voltage provided are in direct relation to the number of turns of the transformer enclosed by the respective connections.av grooveaA groove on the surface of the heart which separates the atria from the ventricles.average gradientMeasure View changes from previous version. (Word count: 4800)
	Dec 31 2009, 11:34 PM EST	AndyC	edit	197 words added 32 words deleted
Change: The particulate form of ionising radiation consisting of two protons and two neutrons. The nucleus of helium. Emitted from the nucleus of a radioactive atom.alternating current (AC)The oscillation of electricity in both directions in a conductor.alveolar sacs(al-ve´uo-lar) a cluster of alveoli View changes from previous version. (Word count: 4447)
	Dec 31 2009, 12:58 AM EST	AndyC	edit	150 words added 9 words deleted
Change: The practice of moving the image receptor 10 to 15cm from the patient so that fewer scattered X-rays interact with the image receptor, enhancing contrast.ala(a'lah) wing, wing like process or partalar(a'lar) pertaining to an ala eg alar process of sacrum.ALARAThe principle that View changes from previous version. (Word count: 4279)
	Dec 30 2009, 11:50 PM EST	AndyC	edit	223 words added 5 words deleted
Change: The incidence of a malignant disease in a population within 1 year for a given dose, it is expressed as number of cases/ 10 to the power of 6 persons/rem.absorb(ab-sorb') to suck in, as in a sponge; to assimilate fluids or other substances from skin.absorbed doseThe View changes from previous version. (Word count: 4136)
	Dec 29 2009, 7:50 AM EST	AndyC	edit
Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 3913)
	Dec 29 2009, 2:29 AM EST	AndyC	edit	398 words added 41 words deleted
Change: (az'i-gos) a normal variant produced by an indentation in the Rt upper lobe of the lung. It is produced by invagination of the azygous vein. This is not a true lobe, since it does not have a separate bronchus.azygoesophageal recessan area of lucency on View changes from previous version. (Word count: 3913)
	Dec 29 2009, 1:43 AM EST	AndyC	edit	184 words added 67 words deleted
Change: The radiographic shadow of an air-filled bronchus peripheral to the hilum and surrounded by airless lung (whether by virtue of absorption of air or replacement View changes from previous version. (Word count: 3549)
	Dec 28 2009, 7:24 AM EST	AndyC	edit
Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 3426)
	Dec 28 2009, 7:24 AM EST	AndyC	edit
Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 3426)
	Dec 26 2009, 10:07 PM EST	AndyC	edit
Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 3426)
	Dec 23 2009, 12:03 AM EST	AndyC	edit	364 words added 19 words deleted
Change: (ak'we-dukt) canal for movement of fluid; as in aqueduct of of sylvius - the passage connecting third and fourth ventriclesaqueous(a´kwe-us) of or nature of wateraqueous humor(a´kwe-us) the watery fluid that fills the anterior and posterior chambers of the eye. arachnoid mater(ua-rak´noid) the weblike View changes from previous version. (Word count: 3426)
	Dec 22 2009, 11:11 PM EST	AndyC	edit	285 words added 30 words deleted
Change: (a-kut) having a sudden onset and running a short but relatively severe course, an acute disease opposed to chronicadduction(au-duk´shun) the movement of a body part toward the axis or midline of the body; movement of a digit toward the axis of the limb. adeno(ad'en-o) a View changes from previous version. (Word count: 2993)
	Dec 22 2009, 10:09 PM EST	AndyC	edit	125 words added
Change: Artery originating from the popliteal artery and branching into the posterior and anterior tibial recurrent, and lateral and medial anterior malleolar arteries, and lateral and medial malleolar retesanteversionthe forward bending position of the normal uterus on the backward sloping vagina. (see anteflexion, retroversion, retroflexion) antibiotics A class View changes from previous version. (Word count: 2682)