1 It extends sagittally through the epiphysis, transversely through the epiphyseal plate and coronally through the distal tibial metaphysis. 2  Occurs in older children/young adolescents in 18 months just prior to epiphyseal plate closure (about 12-15 years).
An equator is the intersection of a sphere 's surface with the plane perpendicular to the sphere's axis of rotation and midway between the poles.he latitude of the Earth's Equator is by definition 0Â° (zero degrees). The Equator is one of the five notable circles of latitude on Earth, with the others being the two Polar Circles: the Arctic Circle and the Antarctic Circle, and the two Tropical Circles: the Tropic of Cancer and the Tropic of Capricorn.
celestial equator. n. 1. (Astronomy) the great circle lying on the celestial sphere the plane of which is perpendicular to the line joining the north and south celestial poles. Also called: equinoctial or equinoctial circle.. celestial equator-the great circle on the celestial sphere midway between the celestial poles. equinoctial, equinoctial circle, equinoctial line. great circle-a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center.