Cross section (geometry) of Earth at right. Cross-sections are often used in anatomy to illustrate the inner structure of an organ, as shown at left. A cross-section of a tree trunk, as shown at left, reveals growth rings that can be used to find the age of the tree and the temporal properties of its environment. Cross section (geometry) In geometry and science, a cross section is the non-empty intersection of a solid body in three-dimensional space with a plane, or the analog in higher-dimensional spaces. Cutting an object into slices creates many parallel cross sections. The boundary of a cross section in
Papal Lateran Cross (The sacred and holy church of the Lateran - the mother and the head of all of the churches of the city and the world). The medal has been crafted in a number of designs: with or without an adjoining circle, as well as a solid medal with a cross in relief. The accompanying ribbon is red with blue stripes along the sides. Notable individuals who received this honor include: Papal Lateran Cross The Papal Lateran Cross () is a medal for recognition of merit bestowed by the Holy See. The Lateran Cross was commissioned by Pope Leo XIII, and