It is common in the Bible for people to "rise up," and it would be easy to pass over the phrase as simply describing a physical action. But in fact it represents an elevation in spiritual state, moving to a more internal frame of mind closer to the Lord. Often it has to do with understanding a new or important idea; we "rise up" to a state of greater perception and enlightenment. Obviously context is crucial to the exact meaning of the phrase in a given passage -- it matters greatly who it is that is rising up, and why.

5565. There are spirits too who correlate with the bones that are much harder, such as the teeth; but I have not been allowed to know very much about these. All I have been allowed to know is that when these spirits, with whom scarcely any spiritual life at all remains, are brought into view in the light of heaven, they do not appear to possess a face, only teeth instead of a face. This is because the face represents a person's interiors, thus his spiritual and celestial endowments, which are matters of faith and charity. Spirits therefore who during their lifetime did not acquire any such spiritual life have the kind of appearance that has just been described.