planes of reference

planes of ref·er·ence

planes that act as a guide to the location of other planes.

planes of ref·er·ence

(plānz refĕr-ĕns)
Planes that guide to the location of other planes.
References in periodicals archive ?
It consists of synopses, fill-in study outlines, and self-tests related to anatomy and physiology aspects such as locator terms, planes of reference, and anatomical positions; the basics of cells and tissues; and anatomy in terms of the functional categories of respiration, phonation, articulation, and the nervous and auditory systems.
5 foot difference would be necessary to explore whether this apparent shift is the result of historical and contemporary planes of reference that are not parallel, one or more benchmarks that have been disturbed, error associated with the original survey, or perhaps the more regional effects of geological subsidence or uplift.
2007) and the relationship between vertical planes of reference used to measure height (topography) and depth (soundings) in the surveys being compared (Gibbs and Gelfenbaum 1999).