In this paper, we show that the Pseudo-Symmetric property of spherical point set can be characterized by the eigen values of eigenpolynomial and it has the closeness under the metric sum operation.

Based on the mass conservation principle, the production formula of semi-spherical flow for pseudo-pressure, pressure-squared and pressure are derived in this paper.

The many cystic spaces are bigger than those seem in secretory meningioma, and do not contain spherical pseudo-psammoma bodies.