angle, lumbosacral: represents the angle of the lubosacral junction as measured by the inclination of the superior surface of the first sacral vertebra to the horizontal (this is actually a sacral angle); usually measured from standing lateral x-ray films; also known as Ferguson's angle.

articulation: 1. the place of union of junction between two or more bones of the skeleton; 2. the active or passive progress of moving a joint through its permitted anatomic range of motion.

assymmetry: absence of symmetry of position or motion; dissimilarity in corresponding parts of organs or opposite sides of the body which are normally alike; of particular use when describing positon or motion alteration resulting from somatyc dysfunction.

axoplasmic transport: the antegrade movemtn of substance from the nerve cell along lthe asion toward the terminals, and the retrograde movement from the terminals toward the nerve cell