Push notifications provide a way for web services to push data to users' devices without waiting for a game to initiate the web request. Push notifications can be sent from any source that can make a web request: a server, a desktop PC, even another Windows Phone.
Medical Definition of Teratogen. Teratogen: Any agent that can disturb the development of an embryo or fetus. Teratogens may cause a birth defect in the child. Or a teratogen may halt the pregnancy outright. The classes of teratogens include radiation, maternal infections, chemicals, and drugs.
A teratoma is a tumor with tissue or organ components resembling normal derivatives of more than one germ layer.Although the teratoma may be monodermal or polydermal (originating from one or more germ layers), its cells may differentiate in ways suggesting other germ layers.sually, a teratoma will contain no organs but rather one or more tissues normally found in organs such as the brain, thyroid, liver, and lung.