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.
Definition of guanine. : a purine base C5H5N5O that codes genetic information in the polynucleotide chain of DNA or RNA â compare adenine, cytosine, thymine, uracil.