plane of section
121cross-section — n. 1 a a cutting of a solid at right angles to an axis. b a plane surface produced in this way. c a representation of this. 2 a representative sample, esp. of people. 3 Physics a quantity expressing the probability of interaction between… …
122optical section — noun : a plane in a translucent object (as a slip of tissue or a cell) brought into view by adjustment of the focus of a microscope …
123longitudinal section — the representation of an object as it would appear if cut by the vertical plane passing through the longest axis of the object …
124Sagittal — A vertical plane passing through the body which divides it into left and right sides. * * * Resembling an arrow; in the line of an arrow shot from a bow, i.e., in an anteroposterior direction; referring to a s. plane or direction. SYN: sagittalis …
1253D projection — Part of a series on …
126Coronal — A coronal plane through the body is a vertical plane from head to foot and parallel to the shoulders. * * * Relating to a corona or the c. plane. SYN: coronalis [TA]. * * * co·ro·nal kȯr ən əl, kär ; kə rōn adj 1) of, relating to, or being a… …
127Principal — Prin ci*pal, a. [F., from L. principalis. See {Prince}.] 1. Highest in rank, authority, character, importance, or degree; most considerable or important; chief; main; as, the principal officers of a Government; the principal men of a state; the… …
128Principal axes of a quadric — Principal Prin ci*pal, a. [F., from L. principalis. See {Prince}.] 1. Highest in rank, authority, character, importance, or degree; most considerable or important; chief; main; as, the principal officers of a Government; the principal men of a… …
