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.
n condition in which the sacrum rotates about an oblique axis so that sacral base side opposite to the axis involved glides anteriorly, producing a deep sulcus. torsion, left-on-left (forward) sacral, n condition in which left rotation of the sacrum occurs about a left oblique axis. torsion, left-on-right (backward) sacral, n condition in which left rotation occurs about a right oblique axis.