Generally speaking, the vertical axis of a tropical cyclone, usually defined by the location of minimum wind or minimum pressure. The cyclone center position can vary with altitude. In advisory products, refers to the center position at the surface.
Facts on vitamin A and psoriasis. 1  Vitamin A can be very effective in treating psoriasis. 2  Creams and tablets can be prescribed. 3  High doses of Vitamin A should only be given under specialist supervision.  A combination of Vitamin A and phototherapy (light treatment) can give excellent results of most patients.
Taclonex contains two different active ingredients that work in different ways. Calcipotriene is a synthetic form of vitamin D. It is not entirely clear how this ingredient works to treat psoriasis. Betamethasone is part of a group of medications known as glucocorticoids.