Pulmonary embolism (PE) can occur without deep vein thrombosis (DVT). Pulmonary embolism (PE) and deep vein thrombosis (DVT) usually occur as part of the same process. While most DVTs happen in the legs, they can also occur in other parts of the body such as the arms. If a DVT is suspected, it is important to have a quick diagnosis and treatment to prevent PE.
Freebase(0.00 / 0 votes)Rate this definition: Rotaxane. A rotaxane is a mechanically-interlocked molecular architecture consisting of a dumbbell shaped molecule which is threaded through a macrocycle. The name is derived from the Latin for wheel and axle.
Rotenone is a natural insecticide that is extracted from the roots of several different plants that grow in the tropics.While rotenone exhibits moderate to low toxicity as a garden insecticide it is highly toxic to fish and invertebrates and, in fact, was originally used by indigenous people to help capture fish.otenone is available as a powder (dust) and concentrated liquid, sometimes in combination with other insecticides. Rotenone is a broad spectrum insecticide and is therefore used for a variety of garden and landscape pests.