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 -testing equipment. Torsion-testing equipment consists of. 1)A twisting head , with a chuck for gripping the specimen and. for applying the twisting moment to the specimen. 2)A weight head , which grips the other end of the specimen. and measures the twisting moment of torque. Specimen used.