The most immature blood cell that is considered a plasma cell instead of a B cell is the plasmablast. Plasmablasts secrete more antibodies than B cells, but less than plasma cells.
Gentian Violet. Gentian violet is a water soluble dye (coloring substance) used primarily in medicine to stain bacteria, but also in other histological procedures. It is not derived from gentians, but got its name since it is pink-violet like some gentians in the genera of Centaurium, Gentiana, and Gentianella.
Red-violet or pigment purple (pigment red-violet) represents the way the color purple (red-violet) was normally reproduced in pigments, paints, or colored pencils in the 1950s on an old-fashioned RYB color wheel. This color is displayed at right and is identical to the web color medium violet red.