- tangential projection
- a radiographic projection with the central ray on a tangent to an organ or part.
Medical dictionary. 2011.
tangential projection
Look at other dictionaries:
Settegast projection — a tangential projection of the patellofemoral region, usually with the patient prone, the knee flexed more than 90 degrees, and the central ray directed vertically downward at the knee. Called also sunrise p … Medical dictionary
polar stereographic projection — A projection formed by positioning a flat sheet of paper tangential over one pole on the reduced earth and projecting the latitude and longitude graticule onto the paper from a light source positioned at the other pole. In this projection, the… … Aviation dictionary
zenithal projection — noun (geography) A type of map projection in which the plane of projection is tangential to the sphere • • • Main Entry: ↑zenith * * * zenithal projection, map projection having all points in true compass direction from the center of the map;… … Useful english dictionary
stereographic projection — Perspective projections in which a graticule of reduced earth is projected onto a plane tangential to reduced earth at a point from a point diametrically opposite to the point of tangency. In such a projection, the meridians and parallels are… … Aviation dictionary
zenithal projection — A projection of the graticule of the reduced earth onto a plane placed tangential to the reduced earth at a point. Depending on whether the point of tangency is the pole or the equator or some other point, they are referred to as a polar,… … Aviation dictionary
azimuthal projection — A projection of the graticule of the reduced earth onto a plane placed tangential to the reduced earth at a point. Depending on whether the point of tangency is the pole, the equator, or some other point, it is called polar, equatorial, or… … Aviation dictionary
azimuthal projection — [ˌazɪ mju:θ(ə)l] noun a map projection in which a region of the earth is projected on to a plane tangential to the surface, usually at a pole or the equator … English new terms dictionary
zenithal projection — noun a map projection in which a part of the globe is projected on to a plane tangential to the centre of the part, showing the correct directions of all points from the centre … English new terms dictionary
geomagnetic field — Magnetic field associated with the Earth. It is essentially dipolar (i.e., it has two poles, the northern and southern magnetic poles) on the Earth s surface. Away from the surface, the field becomes distorted. Most geomagnetists explain the… … Universalium
Problem of Apollonius — In Euclidean plane geometry, Apollonius problem is to construct circles that are tangent to three given circles in a plane (Figure 1); two circles are tangent if they touch at a single point. Apollonius of Perga (ca. 262 BC ndash; ca. 190 BC)… … Wikipedia
