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.
A measure of the geometric complexity of a porous medium. Tortuosity is a ratio that characterizes the convoluted pathways of fluid diffusion and electrical conduction through porous media. In the fluid mechanics of porous media, tortuosity is the ratio of the length of a streamlineâa flow line or pathâbetween two points to the straight-line distance between those points.