A. Multiple myeloma is a malignant, clonal disorder of plasma cells that originates in the bone marrow. Itâs a relatively common disorder, accounting for 1% of all malignancies and 10% of all hematologic malignancies in adults.
torsion, n 1. , motion or state of torque in which one end of an anatomical component is twisted about its longitudinal axis as the opposite end is either immobile or moves in the opposite direction.
Torsion refers to the twisting element of dystonia. It describes muscles contracting against each other. TorsinA (pronounced: tor-sin-ay): The name of the protein associated with the DYT1 gene and early-onset generalized dystonia. Writer's cramp: A focal dystonia that affects the forearm, hand, and fingers.