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.
torâ²tuÂ·ousÂ·ness n. Usage Note: Although tortuous and torturous both come from the Latin word torquÄre, to twist, their primary meanings are distinct. Tortuous means twisting (a tortuous road) or by extension complex or devious.. Torturous refers primarily to torture and the pain associated with it.