Facial nerve paralysis. Facial nerve paralysis most commonly causes a unilateral, but sometimes bilateral, paralysis of the muscles responsible for facial expression. Patients often present unable to move the lip or blink and with a droopy ear and severe ptyalism.
The Fourth World is an extension of the Three-World Model, used variably to refer to. Sub-populations socially excluded from global society; Hunter-gatherer, nomadic, pastoral, and some subsistence farming peoples living beyond the modern industrial norm.
Related words. 1  fourth dimension noun. 2  1. a part of a situation, especially when it influences the way you think about the situation The strikes had now taken on an important political dimension. 3  2. [usually plural] the degree to which a situation is difficult or serious The dimensions of this problem are immense.