The principal and most anterior part of the brain in vertebrates, which is located in the front area of the skull and divided into two hemispheres, left and right, separated by a fissure. In humans it is the largest part of the brain and is responsible for the integration of complex sensory functions and the initiation and coordination of voluntary activity, and the higher mental functions such as consciousness, thought, reason, emotion, and memory.
The highest surface on the skull; the crown of the head.
One of the elements of a graph joined or not by edges to other vertices.
A point in 3D space, usually given in terms of its Cartesian coordinates.
The point where the surface of a lens crosses the optical axis.
An interaction point.
The point at which an axis meets a curve or surface.
The common point of the two rays that form an angle.
A sharp downward point opposite a crotch, as in the letters "V" and "W" but not "Y".
The point where the prime vertical meets the ecliptic in the western hemisphere of a natal chart.
A point on the curve with a local minimum or maximum of curvature.
The highest point, top or apex of something.