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.
A recent study linking rotenone a pesticide with a natural image, commonly used in organic farming and gardening to Parkinson s disease, has increased demand for a level playing field in the safety assessment of pesticides.roduction Rotenoids, the rotenone-related materials, have been used as crop insecticides since 1848, when they were applied to plants to control leaf-eating caterpillars. However, they have been used for centuries (at least since 1649) in South America to paralyse fish, causing them to surface(5).