Digitalis obscura such as digitoxin, digitalin, digitonin, digitalosmin, gitoxin and gitalonin. During digestion, aglycones and a sugar are released by the breakdown of these glycosides. The aglycones directly affect heart muscles and may slow the heart rate until cardiac arrest occurs. Digitalis obscura Digitalis obscura is a flowering plant, commonly known as the sunset foxglove or willow-leaved foxglove. It is native to regions in Spain and Africa, but can be grown as an ornamental flower around the world. It is a perennial woody plant belonging to the family Plantaginaceae. (Along with the other foxgloves it used to be placed in the figwort
Nothing comes from nothing Nothing comes from nothing Nothing comes from nothing () is a philosophical expression of a thesis first argued by Parmenides. It is associated with ancient Greek cosmology, such as is presented not just in the works of Homer and Hesiod, but also in virtually every internal system—there is no break in-between a world that did not exist and one that did, since it could not be created in the first place. The idea that "nothing comes from nothing", as articulated by Parmenides, first appears in his "Physics": The above, in a translation based on the John Burnet translation, appears as